add code coverage badge

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   test:
-    name: Lint • Type Check • Test (Python ${{ matrix.python-version }})
+    name: Lint • Type Check • Test • Coverage (Python ${{ matrix.python-version }})
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -52,13 +52,13 @@ jobs:
           path: .venv
           key: v1-poetry-${{ runner.os }}-py${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
 
-      - name: Install deps (with dev group)
+      - name: Install dependencies (with dev group)
         if: steps.cache.outputs.cache-hit != 'true'
         run: |
           poetry env use "${{ steps.py.outputs.python-path }}"
           poetry install --no-interaction --no-ansi --with dev
 
-      - name: Sync deps (cache hit)
+      - name: Sync dependencies (cache hit)
         if: steps.cache.outputs.cache-hit == 'true'
         run: |
           poetry env use "${{ steps.py.outputs.python-path }}"
@@ -76,12 +76,42 @@ jobs:
           poetry run ruff format --check .
           poetry run ruff check .
 
-      - name: Mypy (install types if missing, then type check)
+      - name: Mypy (type check)
         run: |
-          # Auto-install missing type stubs in CI (non-interactive)
           poetry run mypy --install-types --non-interactive || true
-          poetry run mypy src/ tests/ --ignore-missing-imports  --disable-error-code=call-overload
+          poetry run mypy src/ tests/ --ignore-missing-imports --disable-error-code=call-overload
 
-      - name: Pytest (coverage gate)
+      - name: Pytest (with coverage)
         run: |
-          poetry run pytest -q --cov=change_me --cov-report=term-missing --cov-fail-under=85
+          poetry run pytest -q --cov=change_me --cov-report=term-missing --cov-report=xml --cov-fail-under=85
+
+      - name: Upload coverage to Coveralls
+        if: ${{ matrix.python-version == '3.12' }}
+        uses: coverallsapp/github-action@v2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: ./coverage.xml
+
+  docker:
+    name: Build & Push Docker Image
+    runs-on: ubuntu-latest
+    needs: test
+    if: github.ref == 'refs/heads/main'
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ghcr.io/${{ github.repository }}:latest

README.md

@@ -1,3 +1,6 @@
+[![Coverage Status](https://coveralls.io/repos/github/TUM-Aries-Lab/template-python/badge.svg?branch=main)](https://coveralls.io/github/TUM-Aries-Lab/template-python?branch=main)
+![Docker Image CI](https://github.com/TUM-Aries-Lab/template-python/actions/workflows/ci.yml/badge.svg)
+
 # template-python
 Simple README.md for a Python project template.