ci: release Docker image (#54)

.github/workflows/docker.yml

@@ -0,0 +1,72 @@
+name: Release Docker image
+
+on:
+  push:
+    branches: [main, dev]
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  docker:
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [
+            # [use-cross, target, platform]
+            [false, x86_64-unknown-linux-gnu, linux/amd64],
+            [true, aarch64-unknown-linux-gnu, linux/arm64/v8],
+          ]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        id: checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Rust toolchain
+        id: rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: ${{ matrix.arch[1] }}
+          override: true
+
+      - name: Setup Rust Cache
+        id: rust-cache
+        uses: Swatinem/rust-cache@v2
+
+      - name: Build
+        id: rust_build
+        uses: actions-rs/cargo@v1
+        with:
+          use-cross: ${{ matrix.arch[0] }}
+          command: build
+          args: --release --target ${{ matrix.arch[1] }}
+
+      - name: Setup QEMU
+        id: qemu
+        uses: docker/setup-qemu-action@v2
+
+      - name: Setup Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        id: login
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build Image and Push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: ${{ matrix.arch[2] }}
+          cache-to: type=gha,mode=max,ignore-error=true
+          cache-from: type=gha
+          push: true
+          tags: revanced/revanced-discord-bot:latest

Dockerfile

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+FROM gcr.io/distroless/cc
+# Discord info
+ARG DISCORD_AUTHORIZATION_TOKEN
+ENV DISCORD_AUTHORIZATION_TOKEN $DISCORD_AUTHORIZATION_TOKEN
+# MongoDB info
+ARG MONGODB_URI
+ENV MONGODB_URI $MONGODB_URI
+COPY ./target/**/release/revanced-discord-bot /
+CMD ["/revanced-discord-bot"]