chore: CI files update (#306)

* Update Dockerfile

- Fix FromAsCasing
- Copy `cmd` and `internal` directories only for backend

* Export binaries from docker images

* Create release with assets from workflow

* Remove circleci config

* fix chart publishing

.github/workflows/docker-publish.yml

@@ -77,3 +77,44 @@ jobs:
           platforms: linux/amd64,linux/arm64,linux/arm/v7
           build-args: |
             BUILD_VERSION=${{ env.BUILD_VERSION }}
+
+      - name: Export binaries from images
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          target: binaries
+          outputs: type=local,dest=./binaries
+          build-args: |
+            BUILD_VERSION=${{ env.BUILD_VERSION }}
+
+      - name: Rename binaries
+        run: |
+          for file in binaries/linux*/wg-portal; do
+            mv $file binaries/wg-portal_$(basename $(dirname $file))
+          done
+
+      - name: Upload binaries
+        uses: actions/upload-artifact@v4
+        with:
+          name: binaries
+          path: binaries/wg-portal_linux*
+          retention-days: 10
+
+  release:
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+    needs: build-n-push
+    permissions:
+      contents: write
+    steps:
+      - name: Download binaries
+        uses: actions/download-artifact@v4
+        with:
+          name: binaries
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: 'wg-portal_linux*'
+          generate_release_notes: true