chore: add CI workflow for linting and testing with PostgreSQL service

Author: thehimel

.github/workflows/ci.yml

@@ -0,0 +1,81 @@
+name: CI
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+
+      - name: Set up Python
+        run: uv python install
+
+      - name: Install dependencies
+        run: uv sync --locked
+
+      - name: Ruff check
+        run: uv run ruff check .
+
+      - name: Ruff format
+        run: uv run ruff format --check .
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:17
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: learning-platform
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd "pg_isready -U postgres"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    env:
+      POSTGRES_HOST: localhost
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: learning-platform
+      POSTGRES_PORT: 5432
+      JWT_SECRET_KEY: ci-jwt-secret-key-for-testing-only-32chars
+      AUTH_RESET_PASSWORD_TOKEN_SECRET: ci-reset-secret-for-testing-only-32ch
+      AUTH_VERIFICATION_TOKEN_SECRET: ci-verification-secret-for-testing-32ch
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+
+      - name: Set up Python
+        run: uv python install
+
+      - name: Install dependencies
+        run: uv sync --locked
+
+      - name: Run tests
+        run: uv run pytest -v -n auto