fix: docker file and enahanced config structure

Dockerfile

@@ -1,30 +1,15 @@
 # Stage 1: Build the Go application
 FROM golang:1.23 AS go-builder
-
-# Set the working directory for Go
 WORKDIR /app
-
-# Install git to clone repositories
-RUN apt-get update && apt-get install -y git
-
-# Clone the Go repository (playground-mono)
-COPY . /app/playground-mono
-WORKDIR /app/playground-mono
-
-# Download Go module dependencies
-RUN go mod download
+COPY go.mod go.sum ./
+RUN go mod download -x
+COPY . .
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o playground-mono .
 
 # Stage 2: Build the final container with the Go binary
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates
-
-# Set the working directory for the final container
 WORKDIR /app
-
-# Copy Go binary from the Go builder stage
-COPY --from=go-builder /app/playground-mono/playground-mono /app/playground-mono
-
+COPY --from=go-builder /app/playground-mono .
 EXPOSE 8080
-
-CMD sh -c "./playground-mono"
+CMD ["./playground-mono"]

config/config.go

@@ -7,24 +7,40 @@ import (
 
 // Config holds the application configuration
 type Config struct {
-	DiceAddr      string // Field for the Dice address
-	Username      string // Field for the username
-	Password      string // Field for the password
-	ServerPort    string // Field for the server port
-	RequestLimit  int    // Field for the request limit
-	RequestWindow int    // Field for the time window in seconds
+	DiceDB struct {
+		Addr     string // Field for the Dice address
+		Username string // Field for the username
+		Password string // Field for the password
+	}
+	Server struct {
+		Port          string // Field for the server port
+		RequestLimit  int    // Field for the request limit
+		RequestWindow int    // Field for the time window in seconds
+	}
 }
 
 // LoadConfig loads the application configuration from environment variables or defaults
 func LoadConfig() *Config {
 	return &Config{
 		// if host and port is combined then it is called
-		DiceAddr:      getEnv("DICE_ADDR", "localhost:7379"), // Default Dice address
-		Username:      getEnv("DICE_USERNAME", "dice"),       // Default username
-		Password:      getEnv("DICE_PASSWORD", ""),           // Default password is empty
-		ServerPort:    getEnv("SERVER_PORT", ":8080"),        // Default server port
-		RequestLimit:  getEnvInt("REQUEST_LIMIT", 1000),      // Default request limit
-		RequestWindow: getEnvInt("REQUEST_WINDOW", 60),       // Default request window in seconds
+		DiceDB: struct {
+			Addr     string
+			Username string
+			Password string
+		}{
+			Addr:     getEnv("DICE_ADDR", "localhost:7379"), // Default Dice address
+			Username: getEnv("DICE_USERNAME", "dice"),       // Default username
+			Password: getEnv("DICE_PASSWORD", ""),           // Default password
+		},
+		Server: struct {
+			Port          string
+			RequestLimit  int
+			RequestWindow int
+		}{
+			Port:          getEnv("SERVER_PORT", ":8080"),   // Default server port
+			RequestLimit:  getEnvInt("REQUEST_LIMIT", 1000), // Default request limit
+			RequestWindow: getEnvInt("REQUEST_WINDOW", 60),  // Default request window in seconds
+		},
 	}
 }
 

internal/db/dicedb.go

@@ -37,9 +37,9 @@ func (db *DiceDB) CloseDiceDB() {
 
 func InitDiceClient(configValue *config.Config) (*DiceDB, error) {
 	diceClient := dice.NewClient(&dice.Options{
-		Addr:        configValue.DiceAddr,
-		Username:    configValue.Username,
-		Password:    configValue.Password,
+		Addr:        configValue.DiceDB.Addr,
+		Username:    configValue.DiceDB.Username,
+		Password:    configValue.DiceDB.Password,
 		DialTimeout: 10 * time.Second,
 		MaxRetries:  10,
 	})

main.go

@@ -18,7 +18,7 @@ func main() {
 
 	// Create mux and register routes
 	mux := http.NewServeMux()
-	httpServer := server.NewHTTPServer(":8080", mux, diceClient, configValue.RequestLimit, configValue.RequestWindow)
+	httpServer := server.NewHTTPServer(":8080", mux, diceClient, configValue.Server.RequestLimit, configValue.Server.RequestWindow)
 	mux.HandleFunc("/health", httpServer.HealthCheck)
 	mux.HandleFunc("/cli/{cmd}", httpServer.CliHandler)
 	mux.HandleFunc("/search", httpServer.SearchHandler)