fix: Restore and modernize docker build (#15)

.github/workflows/docker-build.yaml

@@ -0,0 +1,51 @@
+name: Docker Build
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "main"
+    tags:
+      - "v*"
+
+jobs:
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: "ghcr.io/${{ github.repository }}"
+          tags: |
+            type=ref,event=pr
+            type=semver,pattern=v{{major}}
+            type=semver,pattern=v{{version}}
+            type=raw,value=edge,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
+
+      - name: Set up Docker Buildx # cspell: disable-line
+        uses: docker/setup-buildx-action@v2 # cspell: disable-line
+
+      - name: Login to Github Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64/v8
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/linters.yaml

@@ -20,6 +20,7 @@ jobs:
 
       - name: Set up python environment
         uses: actions/setup-python@v5
+        id: setup-python
         with:
           cache: poetry
           python-version: 3.x
@@ -31,7 +32,7 @@ jobs:
         uses: actions/cache/restore@v4
         with:
           path: ~/.cache/pre-commit
-          key: pre-commit-v0|${{ env.pythonLocation }}|${{ hashFiles('.pre-commit-config.yaml') }}
+          key: pre-commit-v0|${{ steps.setup-python.outputs.python-version }}|${{ hashFiles('.pre-commit-config.yaml') }}
 
       - id: pre-commit
         shell: bash

Dockerfile

@@ -1,14 +1,38 @@
 # syntax=docker/dockerfile:1
-FROM python:3.11-slim
+FROM python:3.12-slim AS venv
 
-WORKDIR /
-RUN --mount=type=bind,target=/src \
-    set -e; \
-    apt-get update -y; \
-    apt-get install -y --no-install-recommends tini libsndfile1; \
+LABEL maintainer="Jan Willhaus <[email protected]>"
+
+ENV PYTHONUNBUFFERED=1
+ENV POETRY_VERSION=1.8.2
+
+WORKDIR /src
+COPY pyproject.toml poetry.lock ./
+
+RUN set -e; \
+    pip install -U --no-cache-dir pip "poetry~=$POETRY_VERSION"; \
+    python -m venv /venv; \
+    . /venv/bin/activate; \
+    poetry install \
+        --no-interaction \
+        --no-directory \
+        --no-root \
+        --only main
+
+FROM python:3.12-slim
+
+ENV PATH=/venv/bin:$PATH
+
+RUN set -e; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends 'tini=0.19.*' 'libsndfile1=1.*'; \
     apt-get clean; \
-    rm -rf /var/lib/apt/lists/*; \
-    pip install --no-cache-dir /src
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=venv /venv /venv
+COPY ./drmeter /drmeter
+
+VOLUME [ "/archive" ]
 
-ENTRYPOINT [ "tini", "--", "drmeter" ]
+ENTRYPOINT [ "tini", "--", "python", "-m", "drmeter"]
 CMD [ "--help" ]