build: cache installed packages

Author: ProgramRipper

.github/workflows/deploy-image.yml

@@ -31,3 +31,5 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -6,14 +6,17 @@ ENV PATH=.venv/bin:${PATH}
 FROM base AS build
 ENV PDM_CHECK_UPDATE=false
 
-RUN pip install pdm
-COPY pyproject.toml pdm.lock ./
-RUN pdm sync --prod --no-editable
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install pdm
+RUN --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
+    --mount=type=bind,source=pdm.lock,target=pdm.lock \
+    --mount=type=cache,target=/root/.cache/pdm \
+    pdm sync --prod --no-editable
 
 
 FROM base
 
-COPY --from=build /app/.venv/ .venv
-COPY . .
+COPY --link --from=build /app/.venv/ .venv
+COPY --link . .
 
 CMD nb orm upgrade && nb run