ci: add workflows

.github/workflows/build.yml

@@ -0,0 +1,59 @@
+name: Lint & Build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python 3
+        id: setup-python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
+
+      - name: Prepare
+        run: |
+          sudo apt install libapt-pkg-dev
+          pip install pylint
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Lint
+        run: pylint app.py apt_info.py
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: Build
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: false

.github/workflows/publish.yml

@@ -0,0 +1,54 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - '*'
+
+env:
+  registry: ghcr.io
+  image_name: ${{ github.repository }}
+
+jobs:
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.registry }}/${{ env.image_name }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: Login to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.registry }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3-bookworm
+FROM python:3.11-bookworm
 
 RUN apt update && apt install -y \
     libapt-pkg-dev \