feat: ci

Author: oliver-ni

.github/workflows/build.yaml

@@ -0,0 +1,36 @@
+name: build
+
+permissions:
+  contents: read
+  packages: write
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: docker/setup-buildx-action@v2
+
+      - id: metadata
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/berkeleymt/discord-bot
+          flavor: latest=true
+
+      - uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/build-push-action@v4
+        with:
+          tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          push: true