feat: add docker image

.github/workflows/publish-docker.yml

@@ -0,0 +1,41 @@
+name: Publish Docker image
+
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ghcr.io/${{ github.repository }}:latest
+            ghcr.io/${{ github.repository }}:${{ github.sha }}
+
+      - name: Verify Docker image in GHCR
+        run: |
+          echo "Published image tags:"
+          docker pull ghcr.io/${{ github.repository }}:latest
+          docker pull ghcr.io/${{ github.repository }}:${{ github.sha }}

Dockerfile

@@ -0,0 +1,8 @@
+FROM rust:latest AS builder
+WORKDIR /usr/src/cracktorio-bot
+COPY . .
+RUN cargo build --release
+
+FROM debian:buster-slim
+COPY --from=builder /usr/src/cracktorio-bot/target/release/cracktorio-bot /usr/local/bin/cracktorio-bot
+CMD ["cracktorio-bot"]