diff --git a/.env.test b/.env.test
new file mode 100644
index 000000000..6978ee21b
--- /dev/null
+++ b/.env.test
@@ -0,0 +1,2 @@
+DATABASE_URL="postgresql://postgres:postgres@localhost:5432/cms?schema=public"
+
diff --git a/package.json b/package.json
index 46108eda3..6b2c419f5 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,9 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
+    "test": "vitest -c ./vitest.config.unit.ts",
+    "test:integration": "./scripts/run-integration.sh",
+    "coverage": "vitest run -c ./vitest.config.unit.ts --coverage",
     "lint:check": "eslint --max-warnings 0 --config .eslintrc .",
     "lint:fix": "eslint --max-warnings 0 --config .eslintrc . --fix",
     "format:fix": "prettier --write \"**/*.{ts,tsx,json}\"",
@@ -95,19 +98,26 @@
     "@storybook/nextjs": "^8.0.8",
     "@storybook/react": "^8.0.8",
     "@storybook/test": "^8.0.8",
+    "@testing-library/jest-dom": "^6.4.5",
+    "@testing-library/react": "^15.0.7",
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "@typescript-eslint/eslint-plugin": "^6.20.0",
     "@typescript-eslint/parser": "^6.20.0",
+    "@vitejs/plugin-react": "^4.3.0",
+    "@vitest/coverage-v8": "^1.6.0",
     "autoprefixer": "^10.0.1",
     "eslint": "^8.56.0",
     "eslint-plugin-storybook": "^0.8.0",
     "husky": "^9.0.7",
+    "jsdom": "^24.0.0",
     "postcss": "^8",
     "prettier": "^3.2.4",
     "prisma": "^5.13.0",
     "tailwindcss": "^3.3.0",
-    "ts-node": "^10.9.2"
+    "ts-node": "^10.9.2",
+    "vitest": "^1.6.0",
+    "vitest-mock-extended": "^1.3.1"
   }
 }
diff --git a/scripts/run-integration.sh b/scripts/run-integration.sh
new file mode 100755
index 000000000..6ef9b6f6c
--- /dev/null
+++ b/scripts/run-integration.sh
@@ -0,0 +1,16 @@
+DIR="$(cd "$(dirname "$0")" && pwd)"
+export $(grep -v '^#' .env.test | xargs)
+ docker run -d \
+       --name db \
+       -e POSTGRES_USER=postgres \
+       -e POSTGRES_PASSWORD=postgres \
+       -e POSTGRES_DB=cms \
+       -p 5432:5432 \
+       postgres
+echo '🟡 - Waiting for database to be ready...'
+$DIR/wait-for-it.sh "${DATABASE_URL}" -- echo '🟢 - Database is ready!'
+echo $DATABASE_URL
+npx prisma migrate dev --name init
+vitest -c ./vitest.config.integration.ts
+docker stop db && docker rm db
+
diff --git a/scripts/wait-for-it.sh b/scripts/wait-for-it.sh
new file mode 100755
index 000000000..d990e0d36
--- /dev/null
+++ b/scripts/wait-for-it.sh
@@ -0,0 +1,182 @@
+#!/usr/bin/env bash
+# Use this script to test if a given TCP host/port are available
+
+WAITFORIT_cmdname=${0##*/}
+
+echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi }
+
+usage()
+{
+    cat << USAGE >&2
+Usage:
+    $WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args]
+    -h HOST | --host=HOST       Host or IP under test
+    -p PORT | --port=PORT       TCP port under test
+                                Alternatively, you specify the host and port as host:port
+    -s | --strict               Only execute subcommand if the test succeeds
+    -q | --quiet                Don't output any status messages
+    -t TIMEOUT | --timeout=TIMEOUT
+                                Timeout in seconds, zero for no timeout
+    -- COMMAND ARGS             Execute command with args after the test finishes
+USAGE
+    exit 1
+}
+
+wait_for()
+{
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    else
+        echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout"
+    fi
+    WAITFORIT_start_ts=$(date +%s)
+    while :
+    do
+        if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then
+            nc -z $WAITFORIT_HOST $WAITFORIT_PORT
+            WAITFORIT_result=$?
+        else
+            (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1
+            WAITFORIT_result=$?
+        fi
+        if [[ $WAITFORIT_result -eq 0 ]]; then
+            WAITFORIT_end_ts=$(date +%s)
+            echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds"
+            break
+        fi
+        sleep 1
+    done
+    return $WAITFORIT_result
+}
+
+wait_for_wrapper()
+{
+    # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692
+    if [[ $WAITFORIT_QUIET -eq 1 ]]; then
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    else
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    fi
+    WAITFORIT_PID=$!
+    trap "kill -INT -$WAITFORIT_PID" INT
+    wait $WAITFORIT_PID
+    WAITFORIT_RESULT=$?
+    if [[ $WAITFORIT_RESULT -ne 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    fi
+    return $WAITFORIT_RESULT
+}
+
+# process arguments
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        *:* )
+        WAITFORIT_hostport=(${1//:/ })
+        WAITFORIT_HOST=${WAITFORIT_hostport[0]}
+        WAITFORIT_PORT=${WAITFORIT_hostport[1]}
+        shift 1
+        ;;
+        --child)
+        WAITFORIT_CHILD=1
+        shift 1
+        ;;
+        -q | --quiet)
+        WAITFORIT_QUIET=1
+        shift 1
+        ;;
+        -s | --strict)
+        WAITFORIT_STRICT=1
+        shift 1
+        ;;
+        -h)
+        WAITFORIT_HOST="$2"
+        if [[ $WAITFORIT_HOST == "" ]]; then break; fi
+        shift 2
+        ;;
+        --host=*)
+        WAITFORIT_HOST="${1#*=}"
+        shift 1
+        ;;
+        -p)
+        WAITFORIT_PORT="$2"
+        if [[ $WAITFORIT_PORT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --port=*)
+        WAITFORIT_PORT="${1#*=}"
+        shift 1
+        ;;
+        -t)
+        WAITFORIT_TIMEOUT="$2"
+        if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --timeout=*)
+        WAITFORIT_TIMEOUT="${1#*=}"
+        shift 1
+        ;;
+        --)
+        shift
+        WAITFORIT_CLI=("$@")
+        break
+        ;;
+        --help)
+        usage
+        ;;
+        *)
+        echoerr "Unknown argument: $1"
+        usage
+        ;;
+    esac
+done
+
+if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then
+    echoerr "Error: you need to provide a host and port to test."
+    usage
+fi
+
+WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15}
+WAITFORIT_STRICT=${WAITFORIT_STRICT:-0}
+WAITFORIT_CHILD=${WAITFORIT_CHILD:-0}
+WAITFORIT_QUIET=${WAITFORIT_QUIET:-0}
+
+# Check to see if timeout is from busybox?
+WAITFORIT_TIMEOUT_PATH=$(type -p timeout)
+WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH)
+
+WAITFORIT_BUSYTIMEFLAG=""
+if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then
+    WAITFORIT_ISBUSY=1
+    # Check if busybox timeout uses -t flag
+    # (recent Alpine versions don't support -t anymore)
+    if timeout &>/dev/stdout | grep -q -e '-t '; then
+        WAITFORIT_BUSYTIMEFLAG="-t"
+    fi
+else
+    WAITFORIT_ISBUSY=0
+fi
+
+if [[ $WAITFORIT_CHILD -gt 0 ]]; then
+    wait_for
+    WAITFORIT_RESULT=$?
+    exit $WAITFORIT_RESULT
+else
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        wait_for_wrapper
+        WAITFORIT_RESULT=$?
+    else
+        wait_for
+        WAITFORIT_RESULT=$?
+    fi
+fi
+
+if [[ $WAITFORIT_CLI != "" ]]; then
+    if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then
+        echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess"
+        exit $WAITFORIT_RESULT
+    fi
+    exec "${WAITFORIT_CLI[@]}"
+else
+    exit $WAITFORIT_RESULT
+fi
diff --git a/src/app/certificate/verify/[id]/id.test.tsx b/src/app/certificate/verify/[id]/id.test.tsx
new file mode 100644
index 000000000..c3afaf839
--- /dev/null
+++ b/src/app/certificate/verify/[id]/id.test.tsx
@@ -0,0 +1,45 @@
+import { render, screen } from '@testing-library/react';
+import VerifyPage from './page';
+import { describe, expect, it, vi } from 'vitest';
+import db from '@/db/__mocks__';
+
+vi.mock('@/db');
+
+describe('VerifyPage', () => {
+  const mockCertificate = {
+    id: '1',
+    slug: 'valid-certificate',
+    userId: 'user1',
+    courseId: 1,
+    user: {
+      id: 'user1',
+      name: 'John Doe',
+    },
+    course: {
+      id: 1,
+      title: 'React Course',
+    },
+  };
+
+  it('renders the CertificateVerify component when the certificate is found', async () => {
+    db.certificate.findFirst.mockResolvedValueOnce(mockCertificate);
+
+    const { params } = { params: { id: 'valid-certificate' } };
+    render(await VerifyPage({ params }));
+
+    expect(
+      screen.getByText(
+        'This Certificate was issued to John Doe for completing React Course',
+      ),
+    ).toBeInTheDocument();
+  });
+
+  it('renders "Not Found" when the certificate is not found', async () => {
+    db.certificate.findFirst.mockResolvedValueOnce(null);
+
+    const { params } = { params: { id: 'invalid-certificate' } };
+    render(await VerifyPage({ params }));
+
+    expect(screen.getByText('Not Found')).toBeInTheDocument();
+  });
+});
diff --git a/src/app/page.test.tsx b/src/app/page.test.tsx
new file mode 100644
index 000000000..7cb91d0e8
--- /dev/null
+++ b/src/app/page.test.tsx
@@ -0,0 +1,11 @@
+import { expect, test } from 'vitest';
+import { render, screen } from '@testing-library/react';
+import Page from '../app/page';
+
+test('Page', async () => {
+  const ui = await Page();
+  render(ui);
+  expect(
+    screen.getByRole('heading', { level: 1, name: '100xdevs' }),
+  ).toBeDefined();
+});
diff --git a/src/db/__mocks__/index.ts b/src/db/__mocks__/index.ts
new file mode 100644
index 000000000..35044fcb4
--- /dev/null
+++ b/src/db/__mocks__/index.ts
@@ -0,0 +1,10 @@
+import { PrismaClient } from '@prisma/client';
+import { beforeEach } from 'vitest';
+import { mockDeep, mockReset } from 'vitest-mock-extended';
+
+beforeEach(() => {
+  mockReset(prisma);
+});
+
+const prisma = mockDeep<PrismaClient>();
+export default prisma;
diff --git a/src/tests/helpers/reset-db.ts b/src/tests/helpers/reset-db.ts
new file mode 100644
index 000000000..ef956d53c
--- /dev/null
+++ b/src/tests/helpers/reset-db.ts
@@ -0,0 +1,25 @@
+import { PrismaClient } from '@prisma/client';
+
+const prisma = new PrismaClient();
+
+export default async function resetDb() {
+  await prisma.$transaction([
+    prisma.videoMetadata.deleteMany(),
+    prisma.notionMetadata.deleteMany(),
+    prisma.bookmark.deleteMany(),
+    prisma.comment.deleteMany(),
+    prisma.videoProgress.deleteMany(),
+    prisma.courseContent.deleteMany(),
+    prisma.content.deleteMany(),
+    prisma.certificate.deleteMany(),
+    prisma.userPurchases.deleteMany(),
+    prisma.course.deleteMany(),
+    prisma.session.deleteMany(),
+    prisma.discordConnect.deleteMany(),
+    prisma.discordConnectBulk.deleteMany(),
+    prisma.vote.deleteMany(),
+    prisma.answer.deleteMany(),
+    prisma.question.deleteMany(),
+    prisma.user.deleteMany(),
+  ]);
+}
diff --git a/src/tests/helpers/setup.ts b/src/tests/helpers/setup.ts
new file mode 100644
index 000000000..27d27a283
--- /dev/null
+++ b/src/tests/helpers/setup.ts
@@ -0,0 +1,23 @@
+import { PrismaClient } from '@prisma/client';
+import '@testing-library/jest-dom';
+import { beforeAll, beforeEach, afterAll, afterEach } from 'vitest';
+
+const prisma = new PrismaClient();
+
+beforeAll(async () => {
+  await prisma.$connect();
+});
+
+afterAll(async () => {
+  await prisma.$disconnect();
+});
+
+beforeEach(async () => {
+  // Optional: Reset the database state before each test
+});
+
+afterEach(async () => {
+  // Optional: Clean up after each test
+});
+
+export { prisma };
diff --git a/src/tests/integration.test.tsx b/src/tests/integration.test.tsx
new file mode 100644
index 000000000..9b21ece33
--- /dev/null
+++ b/src/tests/integration.test.tsx
@@ -0,0 +1,40 @@
+import { render, screen } from '@testing-library/react';
+import SigninPage from '@/app/signin/page';
+import { getServerSession } from 'next-auth';
+import { redirect } from 'next/navigation';
+import { vi } from 'vitest';
+
+// Mock getServerSession
+vi.mock('next-auth', () => ({
+  getServerSession: vi.fn(),
+}));
+
+// Mock redirect
+vi.mock('next/navigation', () => ({
+  redirect: vi.fn(),
+  useRouter: vi.fn(),
+}));
+
+describe('SigninPage', () => {
+  it('redirects to the homepage if the user is authenticated', async () => {
+    (getServerSession as jest.Mock).mockResolvedValueOnce({
+      user: { name: 'Test User' },
+    });
+
+    // Render the component
+    render(await SigninPage());
+
+    // Check if redirect was called
+    expect(redirect).toHaveBeenCalledWith('/');
+  });
+
+  it('renders the Signin component if the user is not authenticated', async () => {
+    (getServerSession as jest.Mock).mockResolvedValueOnce(null);
+
+    // Render the component
+    render(await SigninPage());
+
+    // Check if Signin component is rendered
+    expect(screen.getByText('Signin to your Account')).toBeInTheDocument();
+  });
+});
diff --git a/vitest.config.integration.ts b/vitest.config.integration.ts
new file mode 100644
index 000000000..1f846c8e7
--- /dev/null
+++ b/vitest.config.integration.ts
@@ -0,0 +1,16 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    include: ['src/tests/**/*.test.tsx'],
+    setupFiles: ['src/tests/helpers/setup.ts'],
+  },
+  resolve: {
+    alias: {
+      '@': '/src',
+      '@public': '/public',
+    },
+  },
+});
diff --git a/vitest.config.unit.ts b/vitest.config.unit.ts
new file mode 100644
index 000000000..8f0b71bca
--- /dev/null
+++ b/vitest.config.unit.ts
@@ -0,0 +1,22 @@
+import { defineConfig } from 'vitest/config';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    include: ['src/**/*.test.tsx'],
+    exclude: ['src/tests/**/*.test.tsx'],
+    setupFiles: ['./vitest.setup.ts'],
+    coverage: {
+      provider: 'v8',
+    },
+  },
+  resolve: {
+    alias: {
+      '@': '/src',
+      '@public': '/public',
+    },
+  },
+});
diff --git a/vitest.setup.ts b/vitest.setup.ts
new file mode 100644
index 000000000..1ec0ac592
--- /dev/null
+++ b/vitest.setup.ts
@@ -0,0 +1,18 @@
+import { vi } from 'vitest';
+import '@testing-library/jest-dom';
+
+vi.mock('next/font/local', () => ({
+  default: () => ({
+    className: 'mocked-font-class',
+  }),
+}));
+
+vi.mock('next/font/google', () => ({
+  Poppins: () => ({
+    className: 'mocked-google-font-class',
+  }),
+}));
+
+vi.mock('next-auth', () => ({
+  getServerSession: vi.fn(),
+}));