Add initial project structure and configuration files for Semantic Medallion Data Platform

Author: ByteMeDirk

.env.example

@@ -0,0 +1,6 @@
+# Database configuration
+DB_HOST=localhost
+DB_PORT=5432
+DB_NAME=postgres
+DB_USER=postgres
+DB_PASSWORD=postgres

.github/workflows/ci-cd.yml

@@ -0,0 +1,118 @@
+#name: CI/CD Pipeline
+#
+#on:
+#  push:
+#    branches: [ main ]
+#  pull_request:
+#    branches: [ main ]
+#
+#jobs:
+#  test:
+#    runs-on: ubuntu-latest
+#    services:
+#      postgres:
+#        image: postgres:14
+#        env:
+#          POSTGRES_USER: postgres
+#          POSTGRES_PASSWORD: postgres
+#          POSTGRES_DB: medallion
+#        ports:
+#          - 5432:5432
+#        options: >-
+#          --health-cmd pg_isready
+#          --health-interval 10s
+#          --health-timeout 5s
+#          --health-retries 5
+#
+#      gcs-emulator:
+#        image: fsouza/fake-gcs-server
+#        ports:
+#          - 4443:4443
+#        options: >-
+#          --entrypoint /bin/fake-gcs-server
+#          --
+#          -scheme http
+#          -port 4443
+#          -public-host localhost:4443
+#
+#    steps:
+#    - uses: actions/checkout@v3
+#
+#    - name: Set up Python
+#      uses: actions/setup-python@v4
+#      with:
+#        python-version: '3.9'
+#
+#    - name: Install Poetry
+#      uses: snok/install-poetry@v1
+#      with:
+#        version: 1.5.1
+#        virtualenvs-create: true
+#        virtualenvs-in-project: true
+#
+#    - name: Install dependencies
+#      run: poetry install --no-interaction
+#
+#    - name: Run linters
+#      run: |
+#        poetry run black --check .
+#        poetry run isort --check-only .
+#        poetry run flake8
+#        poetry run mypy semantic_medallion_data_platform
+#
+#    - name: Run tests
+#      run: poetry run pytest --cov=semantic_medallion_data_platform
+#      env:
+#        GCS_EMULATOR_HOST: http://localhost:4443
+#        POSTGRES_HOST: localhost
+#        POSTGRES_PORT: 5432
+#        POSTGRES_USER: postgres
+#        POSTGRES_PASSWORD: postgres
+#        POSTGRES_DB: medallion
+#
+#  deploy-dev:
+#    needs: test
+#    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+#    runs-on: ubuntu-latest
+#
+#    steps:
+#    - uses: actions/checkout@v3
+#
+#    - name: Set up Python
+#      uses: actions/setup-python@v4
+#      with:
+#        python-version: '3.9'
+#
+#    - name: Install Poetry
+#      uses: snok/install-poetry@v1
+#      with:
+#        version: 1.5.1
+#        virtualenvs-create: true
+#        virtualenvs-in-project: true
+#
+#    - name: Install dependencies
+#      run: poetry install --no-interaction
+#
+#    - name: Set up Terraform
+#      uses: hashicorp/setup-terraform@v2
+#      with:
+#        terraform_version: 1.4.6
+#
+#    - name: Set up Google Cloud SDK
+#      uses: google-github-actions/setup-gcloud@v1
+#      with:
+#        project_id: ${{ secrets.GCP_PROJECT_ID }}
+#        service_account_key: ${{ secrets.GCP_SA_KEY }}
+#        export_default_credentials: true
+#
+#    - name: Deploy infrastructure
+#      run: |
+#        cd infrastructure/environments/dev
+#        terraform init
+#        terraform apply -auto-approve -var="project_id=${{ secrets.GCP_PROJECT_ID }}"
+#
+#    - name: Build and publish package
+#      run: |
+#        poetry build
+#        poetry config pypi-token.pypi ${{ secrets.PYPI_TOKEN }}
+#        poetry publish --build