chore: Update workflow to reflect what we have in wasmerio/wasmer#2003

.github/workflows/main.yaml

@@ -167,8 +167,67 @@ jobs:
           MESSAGE_TEXT=$(printf '{"text":":fire: Build failed :fire:. %s"}' $ACTIONS_URL)
           curl -X POST -H 'Content-type: application/json' --data "$MESSAGE_TEXT" ${{ secrets.SLACK_WEBHOOK_URL }}
 
+  build-docker:
+    name: Build on ${{ matrix.build }}
+    runs-on: ubuntu-latest
+    needs: setup
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - build: linux-musl-x64
+            image: alpine:latest
+            rust: 1.49
+            artifact_name: 'wasmer-linux-musl-amd64'
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          repository: 'wasmerio/wasmer'
+          ref: 'master'
+      - uses: addnab/docker-run-action@v1
+        with:
+          image: ${{ matrix.image }}
+          options: -v ${{ github.workspace }}:/work
+          run: |
+            set -e
+
+            # Set up tools
+            apk add musl-dev curl make libtool libffi-dev gcc automake autoconf git
+
+            # Install Rust ${{ matrix.rust }}
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > rustup.sh
+            sh ./rustup.sh -y
+            source ~/.cargo/env
+            rm ./rustup.sh
+
+            # Set up Rust
+            rustup toolchain install ${{ matrix.rust }}
+            rustup default ${{ matrix.rust }}
+
+            # Change working directory
+            cd /work
+
+            # Build C API
+            make build-capi
+
+            # Build Wasmer binary
+            make build-wasmer
+
+            # Build Wapm binary
+            make build-wapm
+
+            # Dist
+            make distribution
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ matrix.artifact_name }}
+          path: dist
+          if-no-files-found: error
+          retention-days: 1
+
   release:
-    needs: [setup, build]
+    needs: [setup, build, build-docker]
     runs-on: ubuntu-latest
     if: github.event == 'schedule' || github.ref == 'refs/heads/master'
     steps: