fix: build nginx image for static files

.github/workflows/build.yaml

@@ -24,7 +24,7 @@ jobs:
         registry: ghcr.io
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
-    - name: Build image for amd64
+    - name: Build backend image for amd64
       uses: docker/build-push-action@v6
       with:
         context: .
@@ -35,4 +35,16 @@ jobs:
         tags: |
           ghcr.io/${{ github.repository }}:latest
         cache-from: type=gha
+        cache-to: type=gha,mode=max
+    - name: Build nginx image for amd64
+      uses: docker/build-push-action@v6
+      with:
+        context: .
+        platforms: linux/amd64
+        build-args: |
+          APP_ENV=nginx-production
+        push: true
+        tags: |
+          ghcr.io/${{ github.repository }}:latest-nginx
+        cache-from: type=gha
         cache-to: type=gha,mode=max

Dockerfile

@@ -50,7 +50,13 @@ RUN echo "Building production image"
 ENV DJANGO_SETTINGS_MODULE=tgno.settings.production
 RUN python manage.py collectstatic --noinput --clear
 ENTRYPOINT ["/app/entrypoint.prod.sh"]
-CMD ["gunicorn", "tgno.wsgi:application"] 
+CMD ["gunicorn", "tgno.wsgi:application"]
+
+# Building the nginx production image
+FROM nginx:1.27-alpine AS nginx-production-image
+RUN echo "Building nginx-production image"
+RUN rm /usr/share/nginx/html/index.html
+COPY --from=production-image /app/static /usr/share/nginx/html
 
 # Building the Dev image
 FROM base AS dev-image