Build container images in Forgejo Actions

Signed-off-by: Vitaliy Potyarkin <v.potyarkin@yadro.com>

.forgejo/workflows/build.yml

@@ -0,0 +1,25 @@
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: build-${{matrix.tag}}
+    runs-on: docker
+    container: node:22-bullseye
+    strategy:
+      matrix:
+        tag:
+          - openjdk-11-maven-3.8.6
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - run: apt update; apt install -y buildah
+      - run: make ${{matrix.tag}}
+      - run: make ${{matrix.tag}} PUSH=y
+        if: github.ref == 'refs/heads/master' && github.event_name == 'push'
+        env:
+          REGISTRY_PASSWORD: ${secrets.REGISTRY_PASSWORD}