From 9c3c76617537ebbdbeff2e5036dc7a5cb0b7f637 Mon Sep 17 00:00:00 2001
From: Manuel Bustillo <bustikiller@bustikiller.com>
Date: Sun, 29 Dec 2024 13:25:02 +0100
Subject: [PATCH] Configure build and cache for intermediate layers

---
 .gitea/workflows/build.yml | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 1118afa..71d3c1b 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -1,8 +1,6 @@
 name: Build Nginx-based docker image
 on:
   push:
-    branches:
-      - main
 concurrency:
   group: ${{ github.ref }}
   cancel-in-progress: true
@@ -24,13 +22,22 @@ jobs:
           registry: ${{ secrets.PRIVATE_REGISTRY_HOST }}
           username: ${{ secrets.PRIVATE_REGISTRY_USERNAME }}
           password: ${{ secrets.PRIVATE_REGISTRY_TOKEN }}
-        
-      - name: Build and push
+
+      - name: Build and push intermediate stages (build)
         uses: docker/build-push-action@v6
         with:
           context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: |
-            ${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:latest
-          cache-from: type=registry,ref=user/app:latest
+          target: build
+          push: ${{ github.ref == 'refs/heads/main' }}
+          tags: ${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:build
+          cache-from: type=registry,ref=${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:build
+          cache-to: type=inline
+
+      - name: Build and push (final)
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: ${{ github.ref == 'refs/heads/main' }}
+          tags: ${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:latest
+          cache-from: type=registry,ref=${{ secrets.PRIVATE_REGISTRY_HOST }}/${{ env.GITHUB_REPOSITORY }}:latest
           cache-to: type=inline
\ No newline at end of file