diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dc82526
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,34 @@
+# Local .terraform directories
+**/.terraform/*
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+
+# Crash log files
+crash.log
+crash.*.log
+
+# Exclude all .tfvars files, which are likely to contain sensitive data, such as
+# password, private keys, and other secrets. These should not be part of version 
+# control as they are data points which are potentially sensitive and subject 
+# to change depending on the environment.
+*.tfvars
+*.tfvars.json
+
+# Ignore override files as they are usually used to override resources locally and so
+# are not checked in
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# Include override files you do wish to add to version control using negated pattern
+# !example_override.tf
+
+# Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan
+# example: *tfplan*
+
+# Ignore CLI configuration files
+.terraformrc
+terraform.rc
\ No newline at end of file
diff --git a/aws_ebs/main.tf b/aws_ebs/main.tf
index 3ae55f8..e9ca13c 100644
--- a/aws_ebs/main.tf
+++ b/aws_ebs/main.tf
@@ -2,5 +2,17 @@ resource "aws_ebs_volume" "this" {
   availability_zone = var.azs
   size              = var.size
   type              = var.type
-  tags              = var.common_tags
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}-${var.instance_name}-ebs"
+    Project     = var.project_name
+    Environment = var.env
+    Terraform   = true
+  }
+}
+
+resource "aws_volume_attachment" "ebs_att" {
+  device_name = var.device_path
+  volume_id   = aws_ebs_volume.this.id
+  instance_id = var.instance_id
 }
diff --git a/aws_ebs/outputs.tf b/aws_ebs/outputs.tf
index 968b8c3..1577791 100644
--- a/aws_ebs/outputs.tf
+++ b/aws_ebs/outputs.tf
@@ -1,4 +1,4 @@
 output "storage_id" {
-    description = "Storege ID"
-    value = aws_ebs_volume.this.id
+  description = "Storege ID"
+  value       = aws_ebs_volume.this.id
 }
diff --git a/aws_ebs/variables.tf b/aws_ebs/variables.tf
index 8a18956..74ef0c1 100644
--- a/aws_ebs/variables.tf
+++ b/aws_ebs/variables.tf
@@ -1,28 +1,42 @@
 variable "azs" {
-    description = "Availability Zones list"
-    default     = ""  
+  description = "Availability Zones list"
+  type        = string
+}
+
+variable "env" {
+  description = "Name of env"
+  type        = string
+}
+
+variable "project_name" {
+  description = "Name of project"
+  type        = string
+  validation {
+    condition     = length(var.project_name) > 3
+    error_message = "The project_name value must be set and more than 3 symbols."
+  }
+}
+
+variable "instance_name" {
+  description = "Name of project"
+  type        = string
 }
 
 variable "type" {
-  description = "Type of storage"  
+  description = "Type of storage"
 }
 
 variable "size" {
-    description = "Storage size"
+  description = "Storage size"
+  type        = string
 }
 
-variable "proj_name" {
-  description = "Name of project"
+variable "instance_id" {
+  description = "Instance id for attach volume"
   type        = string
-  default     = ""
 }
 
-variable "common_tags" {
-  description = "Common tags to apply resourses"
-  type        = map(any)
-  default = {
-    Name        = ""
-    Project     = ""
-    Environment = ""
-  }
-}
\ No newline at end of file
+variable "device_path" {
+  description = "Device path"
+  type        = string
+}
diff --git a/aws_instance/data.tf b/aws_instance/data.tf
deleted file mode 100644
index 5038309..0000000
--- a/aws_instance/data.tf
+++ /dev/null
@@ -1,12 +0,0 @@
-# data "aws_ami" "ubuntu_server" {
-#   most_recent = true
-#   owners      = ["099720109477"] # Canonical
-#   filter {
-#     name   = "name"
-#     values = ["ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*"]
-#   }
-#   filter {
-#     name   = "virtualization-type"
-#     values = ["hvm"]
-#   }
-# }
diff --git a/aws_instance/main.tf b/aws_instance/main.tf
index a4ade22..22e4742 100644
--- a/aws_instance/main.tf
+++ b/aws_instance/main.tf
@@ -16,16 +16,22 @@ resource "aws_instance" "this" {
     volume_type = var.root_volume_type
   }
 
-  tags = merge(var.instance_tags, {
-    Name = var.instance_name
-  })
+  tags = {
+    Name        = "${var.project_name}-${var.env}-${var.instance_name}"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
 }
 
 resource "aws_eip" "this" {
   instance = aws_instance.this.id
   domain   = "vpc"
 
-  tags = merge(var.instance_tags, {
-    Name = "${var.instance_name}-EIP"
-  })
+  tags = {
+    Name        = "${var.instance_name}-EIP"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
 }
diff --git a/aws_instance/outputs.tf b/aws_instance/outputs.tf
index dd542b2..32a42cd 100644
--- a/aws_instance/outputs.tf
+++ b/aws_instance/outputs.tf
@@ -8,11 +8,6 @@ output "instance_public_ip" {
   value       = aws_instance.this.public_ip
 }
 
-output "instance_public_url" {
-  description = "Public URL address of EC2 instance"
-  value       = aws_instance.this.public_dns
-}
-
 output "elastic_ip" {
   description = "Elastic IP for instance"
   value       = aws_eip.this.public_ip
diff --git a/aws_instance/sg.tf b/aws_instance/sg.tf
index 13c76f4..7125a32 100644
--- a/aws_instance/sg.tf
+++ b/aws_instance/sg.tf
@@ -1,7 +1,14 @@
 resource "aws_security_group" "this" {
-  name        = "${var.instance_name}-sg"
-  description = "Security Group for instance"
-  vpc_id      = var.vpc_id
+  # description = "Security Group for instance"
+  name   = "${var.project_name}-${var.env}-${var.instance_name}"
+  vpc_id = var.vpc_id
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}-sg"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
 }
 
 resource "aws_security_group_rule" "access_tcp_from_internet" {
diff --git a/aws_instance/variables.tf b/aws_instance/variables.tf
index c2951c2..64b4207 100644
--- a/aws_instance/variables.tf
+++ b/aws_instance/variables.tf
@@ -1,11 +1,10 @@
 variable "region" {
-  default = ""
+  default = "eu-central-1"
 }
 
 variable "azs" {
-  type        = string
   description = "Availability Zones list"
-  default     = ""
+  type        = string
 }
 
 variable "ssh_key" {
@@ -21,13 +20,15 @@ variable "ami" {
 variable "instance_name" {
   description = "My instance's name"
   type        = string
-  default     = ""
 }
 
 variable "instance_type" {
   description = "My instance's type"
   type        = string
-  default     = ""
+  validation {
+    condition     = length(var.instance_type) > 0
+    error_message = "The project_name value must be."
+  }
 }
 
 variable "root_block_size" {
@@ -39,7 +40,7 @@ variable "root_block_size" {
 variable "root_volume_type" {
   description = "Storage type"
   type        = string
-  default     = "gp2"
+  default     = "gp3"
 }
 
 variable "instance_profile" {
@@ -49,10 +50,12 @@ variable "instance_profile" {
 
 variable "vpc_id" {
   description = "VPC for instance"
+  type        = string
 }
 
 variable "cidr_vpc" {
   description = "VPC_cidr_block"
+  type        = string
 }
 
 variable "subnet_id" {
@@ -61,55 +64,47 @@ variable "subnet_id" {
 
 variable "allow_tcp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "allow_udp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "start_tcp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "end_tcp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "start_udp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "end_udp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "project_name" {
   description = "Project name"
-  default     = ""
+  validation {
+    condition     = length(var.project_name) > 3
+    error_message = "The project_name value must be set and more than 3 symbols."
+  }
 }
 
-variable "user_data" {
-  description = "User data for instance"
+variable "env" {
+  description = "env"
+  type        = string
 }
 
-variable "instance_tags" {
-  description = "Common tags to apply resourses"
-  type        = map(any)
-  default = {
-    Name        = ""
-    Project     = ""
-    Environment = ""
-  }
+variable "user_data" {
+  description = "User data for instance"
 }
diff --git a/aws_instance_without_eip/data.tf b/aws_instance_without_eip/data.tf
deleted file mode 100644
index 5038309..0000000
--- a/aws_instance_without_eip/data.tf
+++ /dev/null
@@ -1,12 +0,0 @@
-# data "aws_ami" "ubuntu_server" {
-#   most_recent = true
-#   owners      = ["099720109477"] # Canonical
-#   filter {
-#     name   = "name"
-#     values = ["ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*"]
-#   }
-#   filter {
-#     name   = "virtualization-type"
-#     values = ["hvm"]
-#   }
-# }
diff --git a/aws_instance_without_eip/main.tf b/aws_instance_without_eip/main.tf
index 843a8c5..8651d76 100644
--- a/aws_instance_without_eip/main.tf
+++ b/aws_instance_without_eip/main.tf
@@ -5,13 +5,21 @@ resource "aws_instance" "this" {
   vpc_security_group_ids = [aws_security_group.this.id]
   subnet_id              = var.subnet_id
   key_name               = var.ssh_key
+  user_data              = var.user_data
+
+  lifecycle {
+    ignore_changes = [user_data]
+  }
 
   root_block_device {
     volume_size = var.root_block_size
     volume_type = var.root_volume_type
   }
 
-  tags = merge(var.instance_tags, {
-    Name = var.instance_name
-  })
-}
\ No newline at end of file
+  tags = {
+    Name        = "${var.project_name}-${var.env}-${var.instance_name}"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
+}
diff --git a/aws_instance_without_eip/sg.tf b/aws_instance_without_eip/sg.tf
index 13c76f4..e78b3d6 100644
--- a/aws_instance_without_eip/sg.tf
+++ b/aws_instance_without_eip/sg.tf
@@ -1,7 +1,7 @@
 resource "aws_security_group" "this" {
-  name        = "${var.instance_name}-sg"
-  description = "Security Group for instance"
-  vpc_id      = var.vpc_id
+  # description = "Security Group for instance"
+  name   = "${var.project_name}-${var.env}-${var.instance_name}"
+  vpc_id = var.vpc_id
 }
 
 resource "aws_security_group_rule" "access_tcp_from_internet" {
diff --git a/aws_instance_without_eip/variables.tf b/aws_instance_without_eip/variables.tf
index c0c72a3..abccdb0 100644
--- a/aws_instance_without_eip/variables.tf
+++ b/aws_instance_without_eip/variables.tf
@@ -1,11 +1,12 @@
 variable "region" {
-  default = ""
+  description = "AWS Region"
+  type        = string
+  default     = "eu-central-1"
 }
 
 variable "azs" {
   type        = string
   description = "Availability Zones list"
-  default     = ""
 }
 
 variable "ssh_key" {
@@ -21,13 +22,15 @@ variable "ami" {
 variable "instance_name" {
   description = "My instance's name"
   type        = string
-  default     = "Blaize_Host"
 }
 
 variable "instance_type" {
   description = "My instance's type"
   type        = string
-  default     = ""
+  validation {
+    condition     = length(var.instance_type) > 0
+    error_message = "The project_name value must be."
+  }
 }
 
 variable "root_block_size" {
@@ -39,7 +42,7 @@ variable "root_block_size" {
 variable "root_volume_type" {
   description = "Storage type"
   type        = string
-  default     = "gp2"
+  default     = "gp3"
 }
 
 variable "instance_profile" {
@@ -49,63 +52,63 @@ variable "instance_profile" {
 
 variable "vpc_id" {
   description = "VPC for instance"
+  type        = string
 }
 
 variable "cidr_vpc" {
   description = "VPC_cidr_block"
+  type        = string
 }
 
 variable "subnet_id" {
   description = "Subnet ID for instance"
+  type        = string
 }
 
 variable "allow_tcp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "allow_udp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "start_tcp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "end_tcp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "start_udp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "end_udp_ports" {
   description = "List of ports to open for server"
-  type        = list(any)
-  default     = []
+  type        = list(string)
 }
 
 variable "project_name" {
   description = "Project name"
-  default     = ""
+  type        = string
+  validation {
+    condition     = length(var.project_name) > 3
+    error_message = "The project_name value must be set and more than 3 symbols."
+  }
 }
 
-variable "instance_tags" {
-  description = "Common tags to apply resourses"
-  type        = map(any)
-  default = {
-    Name        = ""
-    Project     = ""
-    Environment = ""
-  }
+variable "env" {
+  description = "env"
+  type        = string
+}
+
+variable "user_data" {
+  description = "User data for instance"
 }
diff --git a/aws_rds/main.tf b/aws_rds/main.tf
new file mode 100644
index 0000000..9ee45ec
--- /dev/null
+++ b/aws_rds/main.tf
@@ -0,0 +1,42 @@
+resource "aws_db_instance" "main" {
+  skip_final_snapshot         = var.skip_final_snapshot
+  publicly_accessible         = var.publicly_accessible
+  apply_immediately           = var.apply_immediately
+  multi_az                    = var.multi_az
+  storage_type                = var.storage_type
+  allocated_storage           = var.allocated_storage
+  max_allocated_storage       = var.max_allocated_storage
+  db_name                     = var.db_name
+  engine                      = var.engine
+  engine_version              = var.engine_version
+  instance_class              = var.instance_class
+  username                    = var.username
+  password                    = var.password
+  parameter_group_name        = var.parameter_group_name
+  monitoring_interval         = var.monitoring_interval
+  backup_retention_period     = var.backup_retention_period
+  deletion_protection         = var.deletion_protection
+  allow_major_version_upgrade = var.allow_major_version_upgrade
+  db_subnet_group_name        = aws_db_subnet_group.main.name
+  identifier                  = "${var.project_name}-${var.env}-db"
+  vpc_security_group_ids      = [aws_security_group.this.id]
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}-db"
+    Project     = var.project_name
+    Environment = var.env
+    Terraform   = true
+  }
+}
+
+resource "aws_db_subnet_group" "main" {
+  name       = "${var.project_name}-${var.env}-db-subnet"
+  subnet_ids = var.subnet_ids
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}-db-subnet"
+    Project     = var.project_name
+    Environment = var.env
+    Terraform   = true
+  }
+}
diff --git a/aws_rds/outputs.tf b/aws_rds/outputs.tf
new file mode 100644
index 0000000..2df6b22
--- /dev/null
+++ b/aws_rds/outputs.tf
@@ -0,0 +1,4 @@
+output "rds_endpoint" {
+  description = "Endpoint of the RDS instance"
+  value       = aws_db_instance.main.endpoint
+}
diff --git a/aws_rds/sg.tf b/aws_rds/sg.tf
new file mode 100644
index 0000000..02ab60d
--- /dev/null
+++ b/aws_rds/sg.tf
@@ -0,0 +1,36 @@
+resource "aws_security_group" "this" {
+  name = "${var.project_name}-${var.env}-rds-sg"
+  # description = "Security Group for instance"
+  vpc_id = var.vpc_id
+
+  lifecycle {
+    create_before_destroy = true
+  }
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}-rds-sg"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
+}
+
+resource "aws_security_group_rule" "access_from_vpc" {
+  security_group_id = aws_security_group.this.id
+  type              = "ingress"
+  from_port         = var.db_port
+  to_port           = var.db_port
+  description       = "Allow from vpc"
+  protocol          = "tcp"
+  cidr_blocks       = [var.cidr_vpc]
+}
+
+resource "aws_security_group_rule" "access_to_anywhere" {
+  security_group_id = aws_security_group.this.id
+  description       = "Allow outbound traffic"
+  type              = "egress"
+  from_port         = 0
+  to_port           = 0
+  protocol          = "all"
+  cidr_blocks       = [var.cidr_vpc]
+}
diff --git a/aws_rds/variables_network.tf b/aws_rds/variables_network.tf
new file mode 100644
index 0000000..f06a86d
--- /dev/null
+++ b/aws_rds/variables_network.tf
@@ -0,0 +1,19 @@
+variable "vpc_id" {
+  description = "Vpc id"
+  type        = string
+}
+
+variable "cidr_vpc" {
+  description = "VPC CIDR block"
+  type        = string
+}
+
+variable "subnet_ids" {
+  description = "Subnets ids"
+  type        = list(string)
+}
+
+variable "db_port" {
+  description = "DB open port"
+  type        = string
+}
diff --git a/aws_rds/variables_project.tf b/aws_rds/variables_project.tf
new file mode 100644
index 0000000..bff7f58
--- /dev/null
+++ b/aws_rds/variables_project.tf
@@ -0,0 +1,32 @@
+variable "project_name" {
+  description = "Project name"
+  validation {
+    condition     = length(var.project_name) > 3
+    error_message = "The project_name value must be set and more than 3 symbols."
+  }
+}
+
+variable "env" {
+  description = "env"
+  type        = string
+}
+
+variable "username" {
+  description = "Master username"
+  type        = string
+}
+
+variable "password" {
+  description = "Password for master username"
+  sensitive   = true
+  type        = string
+  validation {
+    condition     = length(var.password) > 8
+    error_message = "The password must be more than 8 symbols."
+  }
+}
+
+variable "db_name" {
+  description = "Created db name"
+  type        = string
+}
diff --git a/aws_rds/variables_rds.tf b/aws_rds/variables_rds.tf
new file mode 100644
index 0000000..c4d2e4f
--- /dev/null
+++ b/aws_rds/variables_rds.tf
@@ -0,0 +1,88 @@
+variable "skip_final_snapshot" {
+  description = "Skip final snapshot"
+  type        = bool
+}
+
+variable "publicly_accessible" {
+  description = "Publicly accessible"
+  type        = bool
+  default     = false
+}
+
+variable "apply_immediately" {
+  description = "Apply immediately"
+  type        = bool
+  default     = false
+}
+
+variable "multi_az" {
+  description = "multi_az"
+  type        = bool
+  default     = false
+}
+
+variable "storage_type" {
+  description = "Storage type"
+  type        = string
+  default     = "gp3"
+}
+
+variable "allocated_storage" {
+  description = "Storage amount GB"
+  type        = string
+  default     = "20"
+}
+
+variable "max_allocated_storage" {
+  description = "Autoscale stogage amount"
+  type        = string
+  default     = "0"
+}
+
+variable "engine" {
+  description = "Engine type"
+  type        = string
+  default     = "postgres"
+}
+
+variable "engine_version" {
+  description = "Engine_version"
+  type        = string
+  default     = "14.8"
+}
+
+variable "instance_class" {
+  description = "Instance_class"
+  type        = string
+  default     = "db.t4g.micro"
+}
+
+variable "parameter_group_name" {
+  description = "Parameter group name"
+  type        = string
+  default     = "default.postgres14"
+}
+
+variable "monitoring_interval" {
+  description = "Monitoring interval"
+  type        = string
+  default     = "0"
+}
+
+variable "backup_retention_period" {
+  description = "Backup retention period"
+  type        = string
+  default     = "3"
+}
+
+variable "deletion_protection" {
+  description = "Deletion protection"
+  type        = bool
+  default     = false
+}
+
+variable "allow_major_version_upgrade" {
+  description = "Allow major version upgrade"
+  type        = bool
+  default     = false
+}
diff --git a/aws_vpc/main.tf b/aws_vpc/main.tf
index 6669d0f..8617cf7 100644
--- a/aws_vpc/main.tf
+++ b/aws_vpc/main.tf
@@ -1,32 +1,125 @@
 resource "aws_vpc" "main" {
   cidr_block           = var.cidr_vpc
   enable_dns_hostnames = true
-  tags                 = merge(var.vpc_tags, { Name = "${var.proj_name}-VPC" })
+  enable_dns_support   = true
+  tags = {
+    Name        = "${var.project_name}-${var.env}"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
 }
 
-resource "aws_subnet" "public_subnet" {
-  vpc_id            = aws_vpc.main.id
-  cidr_block        = var.public_subnet_cidr
-  availability_zone = var.azs
-  tags              = merge(var.vpc_tags, { Name = "${var.proj_name}_public_subnet" })
+resource "aws_subnet" "public_subnets" {
+  vpc_id                  = aws_vpc.main.id
+  count                   = length(var.public_subnet_cidrs)
+  cidr_block              = element(var.public_subnet_cidrs, count.index)
+  availability_zone       = element(var.azs, count.index)
+  map_public_ip_on_launch = true
+  tags = {
+    Name        = "${var.project_name}-${var.env}-public-${count.index + 1}"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
+}
+
+resource "aws_subnet" "private_subnets" {
+  vpc_id                  = aws_vpc.main.id
+  count                   = length(var.private_subnet_cidrs)
+  cidr_block              = element(var.private_subnet_cidrs, count.index)
+  availability_zone       = element(var.azs, count.index)
+  map_public_ip_on_launch = false
+  tags = {
+    Name        = "${var.project_name}-${var.env}-private-${count.index + 1}"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
 }
 
 resource "aws_internet_gateway" "gw" {
   vpc_id = aws_vpc.main.id
-  tags   = merge(var.vpc_tags, { Name = "${var.proj_name}_vpc_igw" })
+  tags = {
+    Name        = "${var.project_name}-${var.env}"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
 }
 
-resource "aws_route_table" "igw_rt" {
+resource "aws_route_table" "public_rt" {
   vpc_id = aws_vpc.main.id
   route {
     cidr_block = "0.0.0.0/0"
     gateway_id = aws_internet_gateway.gw.id
   }
 
-  tags = merge(var.vpc_tags, { Name = "${var.proj_name}_rt_to_igw" })
+  tags = {
+    Name        = "${var.project_name}-${var.env}-public"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
+}
+
+resource "aws_route_table_association" "public_subnet_assosiation" {
+  count          = length(aws_subnet.public_subnets[*].id)
+  subnet_id      = element(aws_subnet.public_subnets[*].id, count.index)
+  route_table_id = aws_route_table.public_rt.id
+}
+
+resource "aws_route_table" "private_rt" {
+  vpc_id = aws_vpc.main.id
+
+  route {
+    cidr_block = var.cidr_vpc
+    gateway_id = "local"
+  }
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}-private"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
+}
+
+resource "aws_route_table_association" "private_subnet_assosiation" {
+  count          = length(aws_subnet.private_subnets[*].id)
+  subnet_id      = element(aws_subnet.private_subnets[*].id, count.index)
+  route_table_id = aws_route_table.private_rt.id
+}
+
+resource "aws_nat_gateway" "main" {
+  count             = var.nat_create ? 1 : 0
+  connectivity_type = "public"
+  allocation_id     = aws_eip.eip_nat[0].allocation_id
+  subnet_id         = aws_subnet.public_subnets[0].id
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
+}
+
+resource "aws_eip" "eip_nat" {
+  count  = var.nat_create ? 1 : 0
+  domain = "vpc"
+
+  tags = {
+    Name        = "${var.project_name}-${var.env}-nat-eip"
+    Project     = var.project_name,
+    Environment = var.env
+    Terraform   = true
+  }
 }
 
-resource "aws_route_table_association" "subnet_asso" {
-  subnet_id      = aws_subnet.public_subnet.id
-  route_table_id = aws_route_table.igw_rt.id
+resource "aws_route" "private_nat_route" {
+  count                  = var.nat_create ? 1 : 0
+  route_table_id         = aws_route_table.private_rt.id
+  destination_cidr_block = "0.0.0.0/0"
+  nat_gateway_id         = aws_nat_gateway.main[0].id
 }
diff --git a/aws_vpc/outputs.tf b/aws_vpc/outputs.tf
index 7fa0a82..46709cc 100644
--- a/aws_vpc/outputs.tf
+++ b/aws_vpc/outputs.tf
@@ -2,10 +2,14 @@ output "vpc_id" {
   value = aws_vpc.main.id
 }
 
-output "vpc_cidr" {
-  value = aws_vpc.main.cidr_block
+output "public_subnet_ids" {
+  value = aws_subnet.public_subnets[*].id
 }
 
-output "public_subnet_id" {
-  value = aws_subnet.public_subnet.id
+output "private_subnet_ids" {
+  value = aws_subnet.private_subnets[*].id
+}
+
+output "nat_eip" {
+  value = aws_nat_gateway.main[*].public_ip
 }
diff --git a/aws_vpc/variables.tf b/aws_vpc/variables.tf
index cd3e3f1..7154189 100644
--- a/aws_vpc/variables.tf
+++ b/aws_vpc/variables.tf
@@ -1,44 +1,46 @@
 variable "region" {
   description = "AWS region"
   type        = string
-  default     = ""
+  default     = "eu-central-1"
 }
 
 variable "azs" {
-  type        = string
+  type        = list(string)
   description = "Availability Zones list"
-  default     = ""
 }
 
 variable "env" {
   description = "Name of env"
   type        = string
-  default     = ""
 }
 
-variable "proj_name" {
+variable "project_name" {
   description = "Name of project"
   type        = string
-  default     = ""
+
+  validation {
+    condition     = length(var.project_name) > 3
+    error_message = "The project_name value must be set and more than 3 symbols."
+  }
 }
 
 variable "cidr_vpc" {
   description = "CIDR block for VPC"
   type        = string
-  default     = ""
 }
 
-variable "public_subnet_cidr" {
-  type        = string
+variable "public_subnet_cidrs" {
+  type        = list(string)
   description = "Public Subnet CIDR values"
-  default     = ""
 }
 
-variable "vpc_tags" {
-  description = "Common tags to apply to all resourses"
-  type        = map(any)
-  default = {
-    Project     = ""
-    Environment = ""
-  }
+variable "private_subnet_cidrs" {
+  type        = list(string)
+  description = "Private Subnet CIDR values"
+}
+
+variable "nat_create" {
+  description = "Is create a NAT Gateway?"
+  type        = bool
+  default     = false
 }
diff --git a/data.tf b/data.tf
new file mode 100644
index 0000000..87d8f48
--- /dev/null
+++ b/data.tf
@@ -0,0 +1,3 @@
+data "aws_availability_zones" "available" {
+  state = "available"
+}
diff --git a/main.tf b/main.tf
new file mode 100644
index 0000000..3dc0831
--- /dev/null
+++ b/main.tf
@@ -0,0 +1,103 @@
+terraform {
+  # backend "s3" {
+  #   bucket = "mybucket"
+  #   key    = "path/to/my/key"
+  #   region = "eu-central-1"
+  # }
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+    cloudflare = {
+      source  = "cloudflare/cloudflare"
+      version = "~> 4.0"
+    }
+  }
+}
+
+provider "aws" {
+  region = var.region
+}
+
+provider "cloudflare" {
+}
+
+module "vpc" {
+  source               = "./aws_vpc"
+  nat_create           = var.nat_create
+  azs                  = data.aws_availability_zones.available.names
+  cidr_vpc             = var.cidr_vpc
+  public_subnet_cidrs  = var.public_subnet_cidrs
+  private_subnet_cidrs = var.private_subnet_cidrs
+  project_name         = var.project_name
+  env                  = var.env
+}
+
+module "rds_postgres" {
+  source                      = "./aws_rds"
+  apply_immediately           = var.apply_immediately
+  multi_az                    = var.multi_az
+  cidr_vpc                    = var.cidr_vpc
+  vpc_id                      = module.vpc.vpc_id
+  allocated_storage           = var.allocated_storage
+  max_allocated_storage       = var.max_allocated_storage
+  allow_major_version_upgrade = var.allow_major_version_upgrade
+  backup_retention_period     = var.backup_retention_period
+  deletion_protection         = var.deletion_protection
+  engine                      = var.engine
+  engine_version              = var.engine_version
+  instance_class              = var.instance_class
+  publicly_accessible         = var.publicly_accessible
+  skip_final_snapshot         = var.skip_final_snapshot
+
+  subnet_ids = module.vpc.private_subnet_ids
+  db_port    = var.db_port
+
+  username = var.username
+  password = var.password
+  db_name  = var.db_name
+
+  project_name = var.project_name
+  env          = var.env
+}
+
+module "server1" {
+  source           = "./aws_instance"
+  depends_on       = [module.vpc]
+  ami              = var.ami_ubuntu_22_04
+  azs              = element(data.aws_availability_zones.available.names, 0)
+  instance_type    = "t3.micro"
+  root_block_size  = 10
+  root_volume_type = "gp3"
+  instance_profile = null
+  vpc_id           = module.vpc.vpc_id
+  cidr_vpc         = var.cidr_vpc
+  allow_tcp_ports  = [80, 443, 22, 8080]
+  allow_udp_ports  = []
+  start_tcp_ports  = []
+  end_tcp_ports    = []
+  start_udp_ports  = []
+  end_udp_ports    = []
+  subnet_id        = element(module.vpc.public_subnet_ids, 0)
+  ssh_key          = var.ssh_key
+  user_data        = file("test.sh")
+
+  project_name  = var.project_name
+  env           = var.env
+  instance_name = var.inst1_name
+}
+
+module "ebs_server_1" {
+  source      = "./aws_ebs"
+  azs         = element(data.aws_availability_zones.available.names, 0)
+  size        = "10"
+  type        = "gp3"
+  instance_id = module.server1.instance_id
+  device_path = "/dev/sdh"
+
+  project_name  = var.project_name
+  env           = var.env
+  instance_name = var.inst1_name
+}
+
diff --git a/outputs.tf b/outputs.tf
new file mode 100644
index 0000000..808cde7
--- /dev/null
+++ b/outputs.tf
@@ -0,0 +1,32 @@
+output "avz" {
+  value = data.aws_availability_zones.available.names
+}
+
+output "avz_ids" {
+  value = data.aws_availability_zones.available.zone_ids
+}
+
+output "vpc_id" {
+  value = module.vpc.vpc_id
+}
+
+output "public_subnet_ids" {
+  value = module.vpc.public_subnet_ids
+}
+
+output "private_subnet_ids" {
+  value = module.vpc.private_subnet_ids
+}
+
+output "nat_eip" {
+  value = module.vpc.nat_eip
+}
+
+output "rds_endpoint" {
+  description = "Endpoint of the RDS instance"
+  value       = module.rds_postgres.rds_endpoint
+}
+
+# output "server1_ip" {
+#   value = module.server1.elastic_ip
+# }
diff --git a/terraform.tfvars.example b/terraform.tfvars.example
new file mode 100644
index 0000000..4a6bf56
--- /dev/null
+++ b/terraform.tfvars.example
@@ -0,0 +1,14 @@
+#### General vars
+region       = "eu-central-1"
+project_name = "new-vpc"
+env          = "test"
+#### VPC vars
+nat_create = "false"
+
+#### RDS vars
+db_port             = "5432" #for postgres
+db_name             = "postgres"
+username            = "master"
+password            = "master123"
+skip_final_snapshot = true
+
diff --git a/test.sh b/test.sh
new file mode 100644
index 0000000..07a9c71
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "Hello instance!!!" > /home/${USER}/test.txt
\ No newline at end of file
diff --git a/variables_instances.tf b/variables_instances.tf
new file mode 100644
index 0000000..82d2b90
--- /dev/null
+++ b/variables_instances.tf
@@ -0,0 +1,38 @@
+variable "ami_ubuntu_22_04" {
+  description = "ami_ubuntu_22.04"
+  default     = "ami-0ec7f9846da6b0f61"
+}
+
+variable "ssh_key" {
+  description = "SSH key pair for instances"
+  default     = "test_key"
+}
+
+variable "ebs_name" {
+  description = "EBS name"
+  default     = "/dev/sdf"
+}
+
+variable "inst1_name" {
+  description = "Name for instances"
+  type        = string
+  default     = "test"
+}
+
+variable "inst2_name" {
+  description = "Name for instances"
+  type        = string
+  default     = ""
+}
+
+variable "inst3_name" {
+  description = "Name for instances"
+  type        = string
+  default     = ""
+}
+
+variable "inst4_name" {
+  description = "Name for instances"
+  type        = string
+  default     = ""
+}
diff --git a/variables_project.tf b/variables_project.tf
new file mode 100644
index 0000000..e494ea7
--- /dev/null
+++ b/variables_project.tf
@@ -0,0 +1,18 @@
+variable "region" {
+  description = "AWS region"
+  type        = string
+  default     = "eu-central-1"
+}
+
+variable "project_name" {
+  description = "Project name"
+  type        = string
+}
+
+variable "env" {
+  description = "Environment"
+  type        = string
+  default     = "dev"
+}
+
+
diff --git a/variables_rds.tf b/variables_rds.tf
new file mode 100644
index 0000000..4d20daf
--- /dev/null
+++ b/variables_rds.tf
@@ -0,0 +1,109 @@
+variable "skip_final_snapshot" {
+  description = "Skip final snapshot"
+  type        = bool
+}
+
+variable "publicly_accessible" {
+  description = "Publicly accessible"
+  type        = bool
+  default     = false
+}
+
+variable "apply_immediately" {
+  description = "Apply immediately"
+  type        = bool
+  default     = false
+}
+
+variable "multi_az" {
+  description = "multi_az"
+  type        = bool
+  default     = false
+}
+
+variable "storage_type" {
+  description = "Storage type"
+  type        = string
+  default     = "gp3"
+}
+
+variable "allocated_storage" {
+  description = "Storage amount GB"
+  type        = string
+  default     = "20"
+}
+
+variable "max_allocated_storage" {
+  description = "Autoscale stogage amount"
+  type        = string
+  default     = "0"
+}
+
+variable "engine" {
+  description = "Engine type"
+  type        = string
+  default     = "postgres"
+}
+
+variable "engine_version" {
+  description = "Engine_version"
+  type        = string
+  default     = "14.8"
+}
+
+variable "instance_class" {
+  description = "Instance_class"
+  type        = string
+  default     = "db.t4g.micro"
+}
+
+variable "parameter_group_name" {
+  description = "Parameter group name"
+  type        = string
+  default     = "default.postgres14"
+}
+
+variable "monitoring_interval" {
+  description = "Monitoring interval"
+  type        = string
+  default     = "0"
+}
+
+variable "backup_retention_period" {
+  description = "Backup retention period"
+  type        = string
+  default     = "3"
+}
+
+variable "deletion_protection" {
+  description = "Deletion protection"
+  type        = bool
+  default     = false
+}
+
+variable "allow_major_version_upgrade" {
+  description = "Allow major version upgrade"
+  type        = bool
+  default     = false
+}
+
+variable "db_port" {
+  description = "DB open port"
+  type        = string
+}
+
+variable "username" {
+  description = "Master username"
+  type        = string
+}
+
+variable "password" {
+  description = "Password for master username"
+  sensitive   = true
+  type        = string
+}
+
+variable "db_name" {
+  description = "Created db name"
+  type        = string
+}
diff --git a/variables_vpc.tf b/variables_vpc.tf
new file mode 100644
index 0000000..b48fb15
--- /dev/null
+++ b/variables_vpc.tf
@@ -0,0 +1,30 @@
+variable "cidr_vpc" {
+  description = "CIDR block for VPC"
+  type        = string
+  default     = "192.168.0.0/16"
+}
+
+variable "nat_create" {
+  description = "Is create a NAT Gateway?"
+  type        = bool
+  default     = false
+}
+
+variable "public_subnet_cidrs" {
+  description = "Public subnet CIDRs"
+  type        = list(string)
+  default = [
+    "192.168.11.0/24",
+    "192.168.12.0/24",
+  ]
+}
+
+variable "private_subnet_cidrs" {
+  description = "Public subnet CIDRs"
+  type        = list(string)
+  default = [
+    "192.168.21.0/24",
+    "192.168.22.0/24"
+  ]
+}
+