feat: utilize uv CI cache

This removes need to build binary wheels repeatedly.

Fixes WeblateOrg#2588

.github/workflows/bleeding.yml

@@ -49,6 +49,20 @@ jobs:
       run: .github/bin/bleeding ${{needs.bleeding.outputs.weblate_sha}}  ${{needs.bleeding.outputs.weblate_date}}
     - name: Configure Docker build
       run: .github/bin/get-buildx-args
+    - name: Cache
+      uses: actions/cache@v3
+      id: cache
+      with:
+        path: uv-cache
+        key: uv-cache-${{ hashFiles('Dockerfile') }}-${{ matrix.architecture }}
+    - name: inject cache into docker
+      uses: reproducible-containers/[email protected]
+      with:
+        cache-map: |
+          {
+            "uv-cache": "/root/.cache"
+          }
+        skip-extraction: ${{ steps.cache.outputs.cache-hit }}
     - name: Build the Docker image
       run: .github/bin/docker-build
 
@@ -80,6 +94,20 @@ jobs:
       run: .github/bin/bleeding ${{needs.bleeding.outputs.weblate_sha}}  ${{needs.bleeding.outputs.weblate_date}}
     - name: Configure Docker build
       run: .github/bin/get-buildx-args
+    - name: Cache
+      uses: actions/cache@v3
+      id: cache
+      with:
+        path: uv-cache
+        key: uv-cache-${{ hashFiles('Dockerfile') }}-${{ matrix.architecture }}
+    - name: inject cache into docker
+      uses: reproducible-containers/[email protected]
+      with:
+        cache-map: |
+          {
+            "uv-cache": "/root/.cache"
+          }
+        skip-extraction: ${{ steps.cache.outputs.cache-hit }}
     - name: Build the Docker image
       run: .github/bin/docker-build
 

.github/workflows/dockerimage.yml

@@ -35,6 +35,20 @@ jobs:
         version: v0.18.0
     - name: Configure Docker build
       run: .github/bin/get-buildx-args
+    - name: Cache
+      uses: actions/cache@v3
+      id: cache
+      with:
+        path: uv-cache
+        key: uv-cache-${{ hashFiles('Dockerfile') }}-${{ matrix.architecture }}
+    - name: inject cache into docker
+      uses: reproducible-containers/[email protected]
+      with:
+        cache-map: |
+          {
+            "uv-cache": "/root/.cache"
+          }
+        skip-extraction: ${{ steps.cache.outputs.cache-hit }}
     - name: Build the Docker image
       run: .github/bin/docker-build
 
@@ -62,6 +76,20 @@ jobs:
         version: v0.18.0
     - name: Configure Docker build
       run: .github/bin/get-buildx-args
+    - name: Cache
+      uses: actions/cache@v3
+      id: cache
+      with:
+        path: uv-cache
+        key: uv-cache-${{ hashFiles('Dockerfile') }}-${{ matrix.architecture }}
+    - name: inject cache into docker
+      uses: reproducible-containers/[email protected]
+      with:
+        cache-map: |
+          {
+            "uv-cache": "/root/.cache"
+          }
+        skip-extraction: ${{ steps.cache.outputs.cache-hit }}
     - name: Build the Docker image
       run: .github/bin/docker-build
 

Dockerfile

@@ -11,13 +11,12 @@ COPY --link requirements.txt patches /app/src/
 
 # Install dependencies
 # hadolint ignore=DL3008,DL3013,SC2046,DL3003
-RUN \
+RUN --mount=type=cache,target=/root/.cache \
   uv venv /app/venv \
   && . /app/venv/bin/activate \
   && case "$WEBLATE_VERSION" in \
     *+* ) \
       uv pip install \
-        --no-cache-dir \
         --compile-bytecode \
         -r /app/src/requirements.txt \
         "https://github.com/translate/translate/archive/master.zip" \
@@ -26,12 +25,12 @@ RUN \
         ;; \
     * ) \
       uv pip install \
-        --no-cache-dir \
         --compile-bytecode \
         -r /app/src/requirements.txt \
         "Weblate[$WEBLATE_EXTRAS]==$WEBLATE_VERSION" \
       ;; \
-  esac
+  esac \
+  && uv cache prune --ci
 RUN /app/venv/bin/python -c 'from phply.phpparse import make_parser; make_parser()'
 RUN ln -s /app/venv/share/weblate/examples/ /app/