Remove goreleaser and fix helm packaging (#6)

Goreleaser was causing issues when helm chart action created releases
for packaged helm chart, this PR replaces goreleaser with a much simpler
build and push model, and returns packaged helm charts to normal.

.github/workflows/docker.yml

@@ -8,13 +8,8 @@ on:
       - main
   pull_request:
 
-env:
-  GORELEASER_VER: "v2.3.2"
-
 jobs:
   release:
-    env:
-      flags: ""
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -24,51 +19,42 @@ jobs:
       id-token: write
 
     steps:
-      - name: Parse semver string
-        id: semver_parser
-        uses: booxmedialtd/ws-action-parse-semver@v1
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
         with:
-          input_string: ${{ (startsWith(github.ref, 'refs/tags/v') && github.ref) || 'refs/tags/v0.0.0' }}
-          version_extractor_regex: '\/v(.*)$'
+          # list of Docker images to use as base name for tags
+          images: |
+            netbirdio/kubernetes-operator
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=ref,event=pr
+            type=ref,event=branch
+            type=semver,pattern={{version}}
 
-      - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
-        run: echo "flags=--snapshot" >> $GITHUB_ENV
-
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0 # It is required for GoReleaser to work properly
-
-      - name: Install modules
-        run: go mod tidy
-
-      - name: check git status
-        run: git --no-pager diff --exit-code
-      # Set up BuildKit Docker container builder to be able to build
-      # multi-platform images and export cache
-      # https://github.com/docker/setup-buildx-action
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
-
-      # Login against a Docker registry except on PR
-      # https://github.com/docker/login-action
-      - name: Login to Docker hub
+      - name: Login to Docker Hub
         if: github.repository == github.event.pull_request.head.repo.full_name || !github.head_ref
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_TOKEN }}
 
-      - name: Install OS build dependencies
-        run: sudo apt update && sudo apt install -y -q gcc-arm-linux-gnueabihf gcc-aarch64-linux-gnu
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
 
-      - name: Install goversioninfo
-        run: go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@233067e
-      
-      - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
         with:
-          version: ${{ env.GORELEASER_VER }}
-          args: release --clean ${{ env.flags }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: |
+            "org.opencontainers.image.created={{.Date}}"
+            "org.opencontainers.image.title={{.ProjectName}}"
+            "org.opencontainers.image.version={{.Version}}"
+            "org.opencontainers.image.revision={{.FullCommit}}"
+            "org.opencontainers.image.version={{.Version}}"
+            "maintainer=dev@netbird.io"