Improve build for Nginx images

.github/workflows/build.yml

@@ -7,8 +7,8 @@ on:
     types: [created]
   workflow_dispatch:
   push:
-    branches:
-      - '*'
+    paths:
+      - 'docker/hugo/**'
 
 concurrency:
   group: "docker"

.github/workflows/nginx.yml

@@ -1,6 +1,9 @@
 name: build Nginx image
 
 on:
+  push:
+    paths:
+      - 'docker/nginx/**'
   schedule:
     - cron:  '0 0 * * 0'
   workflow_dispatch:
@@ -48,12 +51,20 @@ jobs:
           tags: hugomods/hugo:nginx-test
           cache-from: type=gha
           cache-to: type=gha,mode=max
+          build-args: |
+            NGINX_VERSION=${{ steps.latest-tag.outputs.name }}
 
       - name: Test
         run: |
           docker run --rm -v $PWD/site:/src hugomods/hugo:nginx-test nginx -t
 
+      - name: Check Nginx Version
+        run: |
+          DOCKER_NGINX_VERSION=$(docker run --rm -v $PWD/site:/src hugomods/hugo:nginx-test $(nginx -v 2>&1))
+          echo $DOCKER_NGINX_VERSION
+
       - name: Build and push
+        if: ${{ steps.check.outputs.exists != true && env.BRANCH_NAME == 'main' }}
         uses: docker/build-push-action@v5
         with:
           push: true
@@ -64,3 +75,5 @@ jobs:
             ghcr.io/${{ env.IMAGE_OWNER }}/${{ env.IMAGE_NAME }}:nginx
           cache-from: type=gha
           cache-to: type=gha,mode=max
+          build-args: |
+            NGINX_VERSION=${{ steps.latest-tag.outputs.name }}

docker/nginx/Dockerfile

@@ -1,2 +1,3 @@
-FROM nginx
+ARG NGINX_VERSION
+FROM nginx:$NGINX_VERSION
 COPY conf.d/default.conf /etc/nginx/conf.d/default.conf