feat: Added comprehensive unit testing and github action to run tests on new pull requests

.github/workflows/tests.yml

@@ -19,3 +19,14 @@
           pip install -e ".[dev]"
       - name: Run all tests
         run: pytest
+
+  integration-test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Run integration test with docker-compose
+      run: |
+        docker-compose up --build --abort-on-container-exit --exit-code-from github-etl
+    - name: Cleanup
+      if: always()
+      run: docker-compose down -v

Dockerfile

@@ -1,5 +1,5 @@
 # Use the latest stable Python image
-FROM python:3.11-slim
+FROM python:3.14.2-slim
 
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE=1 \
@@ -34,4 +34,4 @@ RUN chown -R app:app /app
 USER app
 
 # Set the default command
-CMD ["python", "main.py"]
+CMD ["python", "main.py"]

Dockerfile.mock

@@ -1,5 +1,5 @@
 # Dockerfile for mock GitHub API service
-FROM python:3.11-slim
+FROM python:3.14.2-slim
 
 WORKDIR /app
 

README.md

@@ -66,7 +66,7 @@ docker run --rm \
 
 ### Container Specifications
 
-- **Base Image**: `python:3.11-slim` (latest stable Python)
+- **Base Image**: `python:3.14.2-slim` (latest stable Python)
 - **User**: `app` (uid: 1000, gid: 1000)
 - **Working Directory**: `/app`
 - **Ownership**: All files in `/app` are owned by the `app` user