chore: updates

This fixes a few issues and adds multi-arch builds

.github/workflows/build.yml

@@ -0,0 +1,57 @@
+# Adapted from https://dev.to/cloudx/multi-arch-docker-images-the-easy-way-with-github-actions-4k54
+name: Build
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1 # v2.9.1
+
+      - name: Login to GHCR
+        if: github.ref == 'refs/heads/main'
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc # v2.2.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Generate datever tag
+        id: calver
+        run: |
+          echo version="$(date +%Y.%m.%s)" >> $GITHUB_OUTPUT
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@818d4b7b91585d195f67373fd9cb0332e31a7175 # v4.6.0
+        with:
+          flavor: |
+            latest=false
+          images: |
+            ghcr.io/morremeyer/usb-print
+          tags: |
+            type=raw,value=${{ steps.calver.outputs.version }}
+
+      - name: Build and push
+        uses: docker/build-push-action@2eb1c1961a95fc15694676618e422e8ba1d63825 # v4.1.1
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.ref == 'refs/heads/main' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.pre-commit-config.yaml

@@ -1,22 +1,26 @@
 default_stages: [commit]
 repos:
-- repo: https://github.com/psf/black
-  rev: 20.8b1
-  hooks:
-  - id: black
-    args: [--target-version, py38]
+  - repo: https://github.com/psf/black
+    rev: 20.8b1
+    hooks:
+      - id: black
 
-- repo: https://github.com/PyCQA/isort
-  rev: 5.8.0
-  hooks:
-  - id: isort
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.8.0
+    hooks:
+      - id: isort
 
-- repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v4.0.0
-  hooks:
-  - id: requirements-txt-fixer
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.0.0
+    hooks:
+      - id: requirements-txt-fixer
 
-- repo: https://gitlab.com/pycqa/flake8
-  rev: 3.9.2
-  hooks:
-  - id: flake8
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 3.9.2
+    hooks:
+      - id: flake8
+
+  - repo: https://github.com/hadolint/hadolint
+    rev: v2.12.0
+    hooks:
+      - id: hadolint-docker

Dockerfile

@@ -1,12 +1,13 @@
-FROM python:3.11.4-buster
-
-RUN apt-get update && apt-get install -y \
-  libcups2-dev
+FROM --platform=${BUILDPLATFORM} python:3.11.4-buster
 
+# hadolint ignore=DL3008
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  libcups2-dev \
+  && rm -rf /var/lib/apt/lists/*
 WORKDIR /app
 
 COPY requirements.txt .
-RUN pip install -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 
 COPY src /app/
 CMD [ "python", "/app/print.py" ]