From ab8f0e472d18623e842cf7b1517639ba4d6282f8 Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Fri, 13 Feb 2026 17:41:55 -0600
Subject: [PATCH] fix: use registry cache with mode=max for full build stage
 caching

Replace inline cache with dedicated buildcache tag that stores all
intermediate builder layers. Unchanged stages like deps and compile
will be pulled from cache instead of rebuilt.
---
 .forgejo/workflows/build-deploy.yml | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/.forgejo/workflows/build-deploy.yml b/.forgejo/workflows/build-deploy.yml
index e5b1f789..ea22a9ba 100644
--- a/.forgejo/workflows/build-deploy.yml
+++ b/.forgejo/workflows/build-deploy.yml
@@ -36,6 +36,7 @@ jobs:
           echo "image=${{ secrets.REGISTRY_URL }}/${{ github.repository }}" >> $GITHUB_OUTPUT
           echo "sha_tag=${{ secrets.REGISTRY_URL }}/${{ github.repository }}:${{ github.sha }}" >> $GITHUB_OUTPUT
           echo "latest_tag=${{ secrets.REGISTRY_URL }}/${{ github.repository }}:latest" >> $GITHUB_OUTPUT
+          echo "cache_tag=${{ secrets.REGISTRY_URL }}/${{ github.repository }}:buildcache" >> $GITHUB_OUTPUT
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v6
@@ -46,10 +47,8 @@ jobs:
           tags: |
             ${{ steps.meta.outputs.sha_tag }}
             ${{ steps.meta.outputs.latest_tag }}
-          cache-from: type=registry,ref=${{ steps.meta.outputs.latest_tag }}
-          cache-to: type=inline
-          build-args: |
-            BUILDKIT_INLINE_CACHE=1
+          cache-from: type=registry,ref=${{ steps.meta.outputs.cache_tag }}
+          cache-to: type=registry,ref=${{ steps.meta.outputs.cache_tag }},mode=max
 
   deploy:
     runs-on: ubuntu-latest