ci: add nginx

Author: mskarbek

.github/workflows/nginx.yaml

@@ -0,0 +1,44 @@
+---
+name: nginx image
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "nginx/**"
+      - ".github/workflows/nginx.yaml"
+  workflow_dispatch:
+env:
+  REGISTRY: "ghcr.io"
+  NAMESPACE: "mskarbek/containers"
+  IMAGE_NAME: "nginx"
+  VERSION: "1.26.3"
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@v5
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=${{ env.VERSION }}
+      - id: push
+        uses: docker/build-push-action@v5
+        with:
+          context: ./nginx/
+          file: ./nginx/Containerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}