build: integration with GitHub Actions

.github/workflows/release.yml

@@ -0,0 +1,119 @@
+name: "Release"
+
+permissions:
+  contents: "write"
+
+on:
+  workflow_run:
+    workflows: ["Tag"]
+    types:
+      - "completed"
+
+jobs:
+  get-tag:
+    name: "Get Tag From Package Version"
+    runs-on: "ubuntu-latest"
+    outputs:
+      pkg-version: ${{ steps.pkg-version.outputs.PKG_VERSION }} 
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+        with:
+          token: ${{ github.token }}
+
+      - name: "Get tag"
+        id: "pkg-version"
+        shell: "bash"
+        run: |
+          echo PKG_VERSION=$(awk -F ' = ' '$1 ~ /version/ { gsub(/["]/, "", $2); printf("%s",$2) }' offchain-resolver-gateway/Cargo.toml) >> $GITHUB_OUTPUT
+
+  create-release:
+    name: "Create release"
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    needs: "get-tag"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+
+      - name: "Create release"
+        uses: "taiki-e/create-gh-release-action@v1"
+        with:
+          # (optional) Path to changelog.
+          # changelog: CHANGELOG.md
+          branch: "main"
+          ref: refs/tags/v${{ needs.get-tag.outputs.pkg-version }}
+          token: ${{ github.token }}
+
+  upload-assets:
+    name: "Upload assets to Github releases"
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    needs: 
+     - "get-tag"
+     - "create-release"
+    strategy:
+      matrix:
+        include:
+          - target: "x86_64-unknown-linux-gnu"
+            os: "ubuntu-latest"
+          - target: "x86_64-unknown-linux-musl"
+            os: "ubuntu-latest"
+          - target: x86_64-apple-darwin
+            os: macOS-11
+            macosx_deployment_target: 10.13
+            developer_dir: /Applications/Xcode_11.7.app
+            sdkroot: /Applications/Xcode_11.7.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk
+          - target: aarch64-apple-darwin
+            os: macOS-11
+            macosx_deployment_target: 11.0
+            developer_dir: /Applications/Xcode_13.2.1.app
+            sdkroot: /Applications/Xcode_13.2.1.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.1.sdk
+          # Windows build not working due to OpenSSL :(
+          # error: failed to run custom build command for `openssl-sys v0.9.88`
+          #- target: x86_64-pc-windows-msvc
+          #  os: windows-2019
+          #  rustflags: -Ctarget-feature=+crt-static
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+
+      - name: "Upload Binaries"
+        uses: "taiki-e/upload-rust-binary-action@v1"
+        with:
+          bin: "offchain-resolver-gateway"
+          target: ${{ matrix.target }}
+          archive: $bin-${{ matrix.target }}
+          ref: refs/tags/v${{ needs.get-tag.outputs.pkg-version }}
+          token: ${{ github.token }}
+
+  push-to-registry:
+    name: "Push Docker image to Docker Hub"
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    needs:
+      - "get-tag"
+      - "upload-assets"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+
+      - name: "Log in to Docker Hub"
+        uses: "docker/login-action@v2"
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: "Extract metadata (tags, labels) for Docker"
+        id: "meta"
+        uses: "docker/metadata-action@v4"
+        with:
+          images: "jeje/ens-offchain-resolver-gateway-rs"
+
+      - name: "Build and push Docker image"
+        uses: "docker/build-push-action@v3"
+        with:
+          context: offchain-resolver-gateway
+          push: true
+          tags: ens-offchain-resolver-gateway-rs:latest,ens-offchain-resolver-gateway-rs:v${{ needs.get-tag.outputs.pkg-version }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/tag.yml

@@ -0,0 +1,27 @@
+name: "Tag"
+
+on:
+  push:
+    branches:
+      - "main"
+
+jobs:
+  create-tag:
+    name: "Create tag"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+        with:
+          token: ${{ github.token }}
+
+      - name: "Get tag"
+        id: "get-tag"
+        shell: "bash"
+        run: |
+          echo PKG_VERSION=$(awk -F ' = ' '$1 ~ /version/ { gsub(/["]/, "", $2); printf("%s",$2) }' offchain-resolver-gateway/Cargo.toml) >> $GITHUB_OUTPUT
+
+      - name: "Set Tag"
+        shell: "bash"
+        run: |
+          git tag v${{ steps.get-tag.outputs.PKG_VERSION }} && git push --tags

.github/workflows/test.yml

@@ -0,0 +1,80 @@
+name: "Test"
+on: [push, pull_request]
+
+#on:
+#  pull_request:
+
+jobs:
+  check:
+    name: "Cargo check"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+
+      - uses: "actions-rs/toolchain@v1"
+        with:
+          profile: "minimal"
+          toolchain: "stable"
+          override: true
+
+      - uses: "actions-rs/cargo@v1"
+        with:
+          command: "check"
+
+  test:
+    name: "Cargo test"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+
+      - uses: "actions-rs/toolchain@v1"
+        with:
+          profile: "minimal"
+          toolchain: "stable"
+          override: true
+
+      - uses: "actions-rs/cargo@v1"
+        with:
+          command: "test"
+
+  fmt:
+    name: "Cargo format"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+
+      - uses: "actions-rs/toolchain@v1"
+        with:
+          profile: "minimal"
+          toolchain: "stable"
+          override: true
+
+      - run: "rustup component add rustfmt"
+
+      - uses: "actions-rs/cargo@v1"
+        with:
+          command: "fmt"
+          args: "--all -- --check"
+
+  clippy:
+    name: "Cargo clippy"
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: actions/checkout@v3
+
+      - uses: "actions-rs/toolchain@v1"
+        with:
+          profile: "minimal"
+          toolchain: "stable"
+          override: true
+
+      - run: "rustup component add clippy"
+
+      - uses: "actions-rs/cargo@v1"
+        with:
+          command: "clippy"
+          args: "-- -D warnings"

offchain-resolver-gateway/Cargo.toml

@@ -23,5 +23,7 @@ thiserror = "1.0.40"
 async-trait = "0.1.68"
 clap = { version = "4.3.3", features = ["color", "error-context", "help", "std", "suggestions", "usage", "cargo", "env"] }
 
+openssl = { version = "0.10", features = ["vendored"] }
+
 [dev-dependencies]
 ethers-ccip-read = "0.1.1"

offchain-resolver-gateway/Dockerfile

@@ -0,0 +1,20 @@
+FROM alpine:3.16.2 as builder
+
+WORKDIR /opt/
+
+RUN apk add curl protoc musl-dev gzip git
+
+# offchain-resolver-gateway
+RUN curl -sLO https://github.com/jeje/ens-offchain-resolver-gateway-rs/releases/latest/download/offchain-resolver-gateway-x86_64-unknown-linux-musl.tar.gz \
+  && tar -xvf offchain-resolver-gateway-x86_64-unknown-linux-musl.tar.gz \
+  && chmod +x offchain-resolver-gateway
+
+#########################################################
+
+FROM alpine:3.16.2
+
+RUN apk add tmux
+
+COPY --from=builder /opt/offchain-resolver-gateway /opt/offchain-resolver-gateway
+
+RUN chown -R root:root /opt/