Use MUSL cross-build for ARM64 & dockers

.github/workflows/ci.yml

@@ -34,9 +34,6 @@ jobs:
           - target: aarch64-apple-darwin
             os: macOS-latest
             cross: 'true'
-          - target: aarch64-unknown-linux-gnu
-            os: ubuntu-latest
-            cross: 'true'
           - target: debian-x86_64
             os: ubuntu-latest
             cross: 'true'
@@ -52,6 +49,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Rust Versions
         run: rustc --version && cargo --version
+      - uses: Swatinem/rust-cache@v2
       - name: Lint (Linux)
         if: matrix.target == 'x86_64-unknown-linux-gnu'
         run: |
@@ -69,49 +67,74 @@ jobs:
         run: |
           echo "VCPKG_ROOT=$env:VCPKG_INSTALLATION_ROOT" | Out-File -FilePath $env:GITHUB_ENV -Append
           vcpkg install openssl:x64-windows-static-md
-      - name: Build (native)
-        if: matrix.cross != 'true'
-        run: |
-          cargo build --release --target ${{ matrix.target }} --package martin --features=ssl --package martin
-          cargo build --release --target ${{ matrix.target }} --package martin-mbtiles
-      - name: Build (cross - aarch64-apple-darwin)
-        if: matrix.target == 'aarch64-apple-darwin'
-        run: |
-          rustup target add "${{ matrix.target }}"
-          # compile without debug symbols because stripping them with `strip` does not work cross-platform
-          export RUSTFLAGS='-C link-arg=-s'
-          cargo build --release --target ${{ matrix.target }} --package martin --features=vendored-openssl
-          cargo build --release --target ${{ matrix.target }} --package martin-mbtiles
-      - name: Build (cross - aarch64-unknown-linux-gnu)
-        if: matrix.target == 'aarch64-unknown-linux-gnu'
-        run: |
-          sudo apt-get install -y gcc-aarch64-linux-gnu binutils-aarch64-linux-gnu
-          rustup target add "${{ matrix.target }}"
-          # compile without debug symbols because stripping them with `strip` does not work cross-platform
-          export RUSTFLAGS='-C link-arg=-s -C linker=aarch64-linux-gnu-gcc'
-          cargo build --release --target ${{ matrix.target }} --package martin --features=vendored-openssl
-          cargo build --release --target ${{ matrix.target }} --package martin-mbtiles
-      - name: Build (debian package)
+      - name: Build (.deb)
         if: matrix.target == 'debian-x86_64'
         run: |
           sudo apt-get install -y dpkg dpkg-dev liblzma-dev
           cargo install cargo-deb
           cargo deb -v -p martin --output target/debian/debian-x86_64.deb
-      - name: Move build artifacts
-        run: |
           mkdir -p target_releases
-          if [[ "${{ matrix.target }}" == "debian-x86_64" ]]; then
-            mv target/debian/debian-x86_64.deb target_releases
+          mv target/debian/debian-x86_64.deb target_releases/
+      - name: Build
+        if: matrix.target != 'debian-x86_64'
+        run: |
+          rustup target add "${{ matrix.target }}"
+          if [[ "${{ runner.os }}" == "Windows" ]]; then
+            FEATURES="ssl"
           else
-            mv target/${{ matrix.target }}/release/martin${{ matrix.ext }} target_releases
-            mv target/${{ matrix.target }}/release/mbtiles${{ matrix.ext }} target_releases
+            FEATURES="vendored-openssl"
           fi
+
+          set -x
+          export RUSTFLAGS='-C strip=debuginfo'
+          cargo build --release --target ${{ matrix.target }} --package martin-mbtiles
+          cargo build --release --target ${{ matrix.target }} --package martin --features=$FEATURES
+
+          mkdir -p target_releases
+          mv target/${{ matrix.target }}/release/mbtiles${{ matrix.ext }} target_releases/
+          mv target/${{ matrix.target }}/release/martin${{ matrix.ext }} target_releases/
       - name: Save build artifacts to build-${{ matrix.target }}
         uses: actions/upload-artifact@v3
         with:
           name: build-${{ matrix.target }}
           path: target_releases/*
 
+  build-cross:
+    name: Cross-platform builds
+    runs-on: ubuntu-latest
+    env:
+      TARGETS: "aarch64-unknown-linux-musl x86_64-unknown-linux-musl"
+      # TODO:  aarch64-unknown-linux-gnu
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
+      - name: Install cross
+        run: |
+          cargo install cross
+          # Install latest cross version from git (disabled as it is probably less stable)
+          # cargo install cross --git https://github.com/cross-rs/cross
+          cross --version
+      - name: Build targets
+        run: |
+          for target in $TARGETS; do
+            echo -e "\n----------------------------------------------"
+            echo "Building $target"
+
+            export "CARGO_TARGET_$(echo $target | tr 'a-z-' 'A-Z_')_RUSTFLAGS"='-C strip=debuginfo'
+            cross build --release --target $target --package martin-mbtiles
+            cross build --release --target $target --package martin --features=vendored-openssl
+
+            mkdir -p target_releases/$target
+            mv target/$target/release/mbtiles target_releases/$target
+            mv target/$target/release/martin target_releases/$target
+          done
+      - name: Save build artifacts to build-${{ matrix.target }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-cross
+          path: target_releases/*
+
   test:
     name: Test ${{ matrix.target }}
     runs-on: ${{ matrix.os }}
@@ -130,6 +153,7 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
       - name: Start postgres
         uses: nyurik/action-setup-postgis@v1
         id: pg
@@ -255,6 +279,7 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
       - name: Setup database
         run: tests/fixtures/initdb.sh
         env:
@@ -313,7 +338,7 @@ jobs:
   docker:
     name: Build docker images
     runs-on: ubuntu-latest
-    needs: [ build ]
+    needs: [ build, build-cross ]
     env:
       # PG_* variables are used by psql
       PGDATABASE: test
@@ -345,6 +370,7 @@ jobs:
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
       - name: Setup database
         run: tests/fixtures/initdb.sh
         env:
@@ -362,19 +388,20 @@ jobs:
           install: true
           platforms: linux/amd64,linux/arm64
 
-      - run: rm -rf target_releases
-      - name: Download build artifact build-aarch64-unknown-linux-gnu
+      - run: rm -rf target_releases2
+      - name: Download build-cross artifacts
         uses: actions/download-artifact@v3
         with:
-          name: build-aarch64-unknown-linux-gnu
-          path: target_releases/linux/arm64
-      - name: Download build artifact build-x86_64-unknown-linux-gnu
-        uses: actions/download-artifact@v3
-        with:
-          name: build-x86_64-unknown-linux-gnu
-          path: target_releases/linux/amd64
-      - name: Reset permissions
-        run: chmod -R +x target_releases/
+          name: build-cross
+          path: target_releases2
+      - name: Reorganize build artifacts
+        run: |
+          chmod -R +x target_releases2/
+          mkdir -p target_releases/linux/arm64
+          mv target_releases2/aarch64-unknown-linux-musl/* target_releases/linux/arm64/
+          mkdir -p target_releases/linux/amd64
+          mv target_releases2/x86_64-unknown-linux-musl/* target_releases/linux/amd64/
+          rm -rf target_releases2
 
       - name: Build linux/arm64 Docker image
         id: docker_aarch64-unknown-linux-gnu
@@ -457,12 +484,13 @@ jobs:
           - target: aarch64-apple-darwin
             os: ubuntu-latest
             name: martin-Darwin-aarch64.tar.gz
-            cross: 'true'
             sha: 'true'
-          - target: aarch64-unknown-linux-gnu
+          - target: debian-x86_64
             os: ubuntu-latest
-            name: martin-Linux-aarch64.tar.gz
-            cross: 'true'
+            name: martin-Debian-x86_64.deb
+          # - target: aarch64-unknown-linux-gnu
+          #   os: ubuntu-latest
+          #   name: martin-Linux-aarch64.tar.gz
           - target: x86_64-apple-darwin
             os: macOS-latest
             name: martin-Darwin-x86_64.tar.gz
@@ -474,26 +502,30 @@ jobs:
           - target: x86_64-unknown-linux-gnu
             os: ubuntu-latest
             name: martin-Linux-x86_64.tar.gz
-          - target: debian-x86_64
+          # From the cross build
+          - target: aarch64-unknown-linux-musl
             os: ubuntu-latest
-            name: martin-Debian-x86_64.deb
             cross: 'true'
+            name: martin-Linux-aarch64-musl.tar.gz
+          - target: x86_64-unknown-linux-musl
+            os: ubuntu-latest
+            cross: 'true'
+            name: martin-Linux-x86_64-musl.tar.gz
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
       - name: Download build artifact build-${{ matrix.target }}
+        if: matrix.cross != 'true'
         uses: actions/download-artifact@v3
         with:
           name: build-${{ matrix.target }}
           path: target/
-      - name: Strip symbols
-        # Symbol stripping does not work cross-platform
-        # For cross, symbols were already removed during build
-        if: matrix.cross != 'true'
-        run: |
-          cd target/
-          strip martin${{ matrix.ext }}
-          strip mbtiles${{ matrix.ext }}
+      - name: Download cross-build artifact build-${{ matrix.target }}
+        if: matrix.cross == 'true'
+        uses: actions/download-artifact@v3
+        with:
+          name: build-cross
+          path: target/
       - name: Package
         run: |
           cd target/
@@ -502,11 +534,15 @@ jobs:
           elif [[ "${{ matrix.target }}" == "debian-x86_64" ]]; then
             mv debian-x86_64.deb ../${{ matrix.name }}
           else
+            if [[ "${{ matrix.cross }}" == "true" ]]; then
+              mv ${{ matrix.target }}/* .
+            fi
             tar czvf ../${{ matrix.name }} martin${{ matrix.ext }} mbtiles${{ matrix.ext }}
           fi
-      - name: Generate SHA-256 (MacOS)
-        if: matrix.sha == 'true'
-        run: shasum -a 256 ${{ matrix.name }}
+      # TODO: why is this needed and where should the result go?
+      # - name: Generate SHA-256 (MacOS)
+      #   if: matrix.sha == 'true'
+      #   run: shasum -a 256 ${{ matrix.name }}
       - name: Publish
         if: startsWith(github.ref, 'refs/tags/')
         uses: softprops/action-gh-release@v1

multi-platform.Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM alpine
 ARG TARGETPLATFORM
 
 LABEL org.opencontainers.image.description="Blazing fast and lightweight tile server with PostGIS, MBTiles, and PMTiles support"