Move build to docker

step 1

.github/workflows/build-plugin.yml

@@ -128,11 +128,61 @@ jobs:
           path: build/inst
           name: dawplugin-${{ matrix.name }}
 
+
+  build_plugin_docker:
+    name: Docker Build Ubuntu20 ${{ matrix.name }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Build in Docker
+        uses: surge-synthesizer/sst-githubactions/cmake-in-docker@main
+        with:
+          image: ghcr.io/surge-synthesizer/sst-dockerimages/ubuntu20_gcc11:main
+          username: ${{ github.actor }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+          cmakeArgs: -DCMAKE_BUILD_TYPE=Release -GNinja  -DCOPY_AFTER_BUILD=FALSE  -DGITHUB_ACTIONS_BUILD=TRUE
+          target: six-sines_all
+
+
+      - name: Make linux tgz
+        run: |
+          find build -name "Six Sines*" -print
+
+          mkdir build/inst
+          mkdir build/insttmp
+
+          mv build/*.clap build/insttmp
+          mv "build/Six Sines" build/insttmp
+          mv build/Release/*.vst3 build/insttmp
+
+          find build -name "Six Sines*" -print
+
+          cd build/insttmp
+          ls -al
+
+          tar cvzf ../inst/six-sines-linux-`date +"%Y-%m-%d"`-`git rev-parse --short HEAD`.tgz .
+
+      - name: Show Installer Directory
+        run: |
+          ls -l ./build/inst
+
+      - name: Upload artifact
+        if: github.event_name != 'pull_request'
+        uses: actions/upload-artifact@v4
+        with:
+          path: build/installer
+          name: build-docker-linux
+
   publish-plugin-nightly:
     name: Publish Nightlu
     if: ${{ github.ref == 'refs/heads/main' && github.repository_owner == 'baconpaul' }}
     runs-on: ubuntu-latest
-    needs: [build_plugin]
+    needs: [build_plugin, build_plugin_docker]
     steps:
       - name: Upload to Nightly
         uses: surge-synthesizer/sst-githubactions/upload-to-release@main
@@ -154,7 +204,7 @@ jobs:
     name: Publish Release
     if: startsWith(github.ref, 'refs/tags/v') && github.repository_owner == 'baconpaul'
     runs-on: ubuntu-latest
-    needs: [build_plugin]
+    needs: [build_plugin, build_plugin_docker]
     steps:
       - name: Upload to Release
         uses: surge-synthesizer/sst-githubactions/upload-to-release@main