fix: use python3.11 as base image (#4121)

.github/workflows/api-pull-request.yml

@@ -32,6 +32,11 @@ jobs:
         ports: ['5432:5432']
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
 
+    strategy:
+      max-parallel: 2
+      matrix:
+        python-version: ['3.11', '3.12']
+
     steps:
       - name: Cloning repo
         uses: actions/checkout@v4
@@ -41,7 +46,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: ${{ matrix.python-version }}
           cache: 'poetry'
 
       - name: Install Dependencies
@@ -70,7 +75,7 @@ jobs:
       - name: Upload Coverage
         uses: codecov/codecov-action@v4
         env:
-          PYTHON: 3.12
+          PYTHON: ${{ matrix.python-version }}
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           env_vars: PYTHON

Dockerfile

@@ -20,7 +20,7 @@ ENV STATIC_ASSET_CDN_URL=/static/
 RUN cd frontend && npm run bundledjango
 
 # Step 2 - Build Python virtualenv
-FROM python:3.12 as build-python
+FROM python:3.11 as build-python
 WORKDIR /app
 
 COPY api/pyproject.toml api/poetry.lock api/Makefile ./
@@ -37,7 +37,7 @@ ARG POETRY_OPTS
 RUN make install-packages opts="${POETRY_OPTS}"
 
 # Step 3 - Build Django Application
-FROM python:3.12-slim as application
+FROM python:3.11-slim as application
 WORKDIR /app
 
 # Install SAML dependency if required
@@ -49,7 +49,7 @@ ARG TARGETARCH
 RUN if [ "${TARGETARCH}" != "amd64" ]; then apt-get update && apt-get install -y libpq-dev && rm -rf /var/lib/apt/lists/*; fi;
 
 # Copy the python venv from step 2
-COPY --from=build-python /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
+COPY --from=build-python /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
 # Copy the bin folder as well to copy the executables created in package installation
 COPY --from=build-python /usr/local/bin /usr/local/bin
 

api/Dockerfile

@@ -1,6 +1,6 @@
 
 # Step 1 - Build Python virtualenv
-FROM python:3.12 as build-python
+FROM python:3.11 as build-python
 WORKDIR /app
 
 COPY api/pyproject.toml api/poetry.lock api/Makefile ./
@@ -18,7 +18,7 @@ ARG POETRY_OPTS
 RUN make install-packages opts="${POETRY_OPTS}"
 
 # Step 2 - Build Django Application
-FROM python:3.12-slim as application
+FROM python:3.11-slim as application
 WORKDIR /app
 
 # Install SAML dependency if required
@@ -37,7 +37,7 @@ RUN --mount=type=secret,id=sse_pgp_pkey  if [ -f /run/secrets/sse_pgp_pkey ]; th
 
 
 # Copy the python venv from step 2
-COPY --from=build-python /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
+COPY --from=build-python /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
 # Copy the bin folder as well to copy the executables created in package installation
 COPY --from=build-python /usr/local/bin /usr/local/bin
 

api/pyproject.toml

@@ -53,7 +53,7 @@ authors = ["Flagsmith <support@flagsmith.com>"]
 readme = "readme.md"
 
 [tool.poetry.dependencies]
-python = "~3.12"
+python = ">=3.11, <3.13"
 django = "~3.2.25"
 rudder-sdk-python = "~2.0.2"
 segment-analytics-python = "~2.2.3"