Test multiple Python versions through Docker build arg

.github/workflows/tests.yml

@@ -11,6 +11,12 @@ on:
 
 jobs:
   test:
+
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ['3.8', '3.9', '3.10', '3.11']
+
     runs-on: ubuntu-20.04
     env:
       COMPOSE_FILE: .ci/docker-compose.yml
@@ -20,7 +26,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Build the images
-        run: DOCKER_BUILDKIT=1 COMPOSE_DOCKER_CLI_BUILD=1 docker-compose -f base.yml -f .ci/docker-compose.yml build
+        run: DOCKER_BUILDKIT=1 COMPOSE_DOCKER_CLI_BUILD=1 docker-compose -f base.yml -f .ci/docker-compose.yml build --build-arg PYTHON_VERSION=${{ matrix.version }}
 
       - name: Run unit tests
         run: make utest

Dockerfile

@@ -1,4 +1,5 @@
-FROM python:3.8
+ARG PYTHON_VERSION=3.8
+FROM python:$PYTHON_VERSION
 
 EXPOSE 8000
 

requirements.txt

@@ -4,8 +4,8 @@ fastapi==0.86.0
 mmh3==3.0.0
 pika==1.2.0
 psycopg2-binary==2.9.5
-pydantic==1.8.2
+pydantic==1.10.4
 python-dotenv==0.19.0
 requests==2.27.1
 sqlalchemy==1.4.31
-uvicorn==0.17.1
+uvicorn==0.17.1