chore(ci): publish to docker

* ci: publish to docker

* update release.yaml

* update Dockerfile

.dockerignore

@@ -0,0 +1,13 @@
+# Directories
+/.git/
+/.github/
+/target/
+/examples/
+/docs/
+/benches/
+/tmp/
+
+# Files
+.gitignore
+*.md
+LICENSE*

.github/workflows/release.yaml

@@ -6,8 +6,10 @@ on:
     - v[0-9]+.[0-9]+.[0-9]+*
 
 jobs:
-  all:
-    name: All
+  release:
+    name: Publish to Github Reelases
+    outputs:
+      rc: ${{ steps.check-tag.outputs.rc }}
 
     strategy:
       matrix:
@@ -123,4 +125,41 @@ jobs:
         files: ${{ steps.package.outputs.archive }}
         prerelease: ${{ steps.check-tag.outputs.rc == 'true' }}
       env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  docker:
+    name: Publish to Docker Hub
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    needs: release
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          push: ${{ needs.release.outputs.rc == 'false' }}
+          tags: sigoden/duf:latest, sigoden/duf:${{ github.ref_name }}
+          
+  publish-crate:
+    name: Publish to crates.io
+    if: ${{ needs.release.outputs.rc == 'false' }}
+    runs-on: ubuntu-latest
+    needs: release
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+      - name: Publish
+
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CRATES_IO_API_TOKEN }}
+        run: cargo publish

Dockerfile

@@ -0,0 +1,10 @@
+FROM rust:1.61 as builder
+RUN rustup target add x86_64-unknown-linux-musl
+RUN apt-get update && apt-get install --no-install-recommends -y musl-tools
+WORKDIR /app
+COPY . .
+RUN cargo build --target x86_64-unknown-linux-musl --release
+
+FROM alpine
+COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/duf /bin/
+ENTRYPOINT ["/bin/duf"]