remove cache to make docker reuse layer

.github/workflows/release-docker.yaml

@@ -40,24 +40,6 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      # https://docs.docker.com/build/ci/github-actions/cache/#cache-mounts
-      - name: Go Build Cache for Docker
-        uses: actions/cache@v4
-        with:
-          path: pip-wheel-cache
-          key: ${{ runner.os }}-pip-cache-${{ hashFiles('**/poetry.lock') }}
-          restore-keys:
-            ${{ runner.os }}-pip-cache-
-
-      - name: inject pip-wheel-cache into docker
-        uses: reproducible-containers/[email protected]
-        with:
-          cache-map: |
-            {
-              "pip-wheel-cache": "/root/.cache/pip"
-            }
-          skip-extraction: ${{ steps.cache.outputs.cache-hit }}
-
       - name: Build Final Docker Image
         uses: docker/build-push-action@v6
         with:

Dockerfile

@@ -8,10 +8,10 @@ WORKDIR /app
 ENV PIP_ROOT_USER_ACTION=ignore
 
 COPY requirements-poetry.txt ./
-RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked pip install -r requirements-poetry.txt
+RUN pip install -r requirements-poetry.txt
 
 COPY pyproject.toml poetry.lock ./
-RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked poetry export -f requirements.txt --output requirements.txt
+RUN poetry export -f requirements.txt --output requirements.txt
 
 ### final image ###
 FROM python:3.10-slim@sha256:80619a5316afae7045a3c13371b0ee670f39bac46ea1ed35081d2bf91d6c3dbd
@@ -24,7 +24,7 @@ COPY --from=poetry /app/requirements.txt ./requirements.txt
 
 ENV PIP_ROOT_USER_ACTION=ignore
 
-RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked pip install -U pip && \
+RUN pip install -U pip && \
     pip install -r requirements.txt
 
 WORKDIR /app