Build and push docker images on tags and merges to master

.dockerignore

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+target

.github/workflows/docker.yml

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+name: docker
+
+on:
+  push:
+    tags:
+      - '*-?v[0-9]+*'
+    branches:
+      - 'master'
+      - 'docker'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            56quarters/mtop
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+FROM rust:slim-bookworm AS BUILD
+COPY . .
+RUN cargo build --release
+
+FROM debian:bookworm-slim
+COPY --from=BUILD target/release/mtop /usr/local/bin/
+COPY --from=BUILD target/release/mc /usr/local/bin/
+CMD ["mtop", "--help"]