From 5b76cbfad0aff0d443bd605dc597316e07ad14d6 Mon Sep 17 00:00:00 2001
From: Rickey Fehr <ric@rf3.xyz>
Date: Sun, 14 Sep 2025 13:25:57 -0700
Subject: [PATCH] Add cache for docker compose container

---
 .github/workflows/build_ci_workflow.yml | 35 +++++++++++++++++++++----
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/build_ci_workflow.yml b/.github/workflows/build_ci_workflow.yml
index 45b2760..cf270ee 100644
--- a/.github/workflows/build_ci_workflow.yml
+++ b/.github/workflows/build_ci_workflow.yml
@@ -8,15 +8,44 @@ on:
     branches:
       - main
   workflow_dispatch:
+    inputs:
+      clear_cache:
+        description: 'Clear docker cache before running'
+        type: boolean
+        default: false
 
 jobs:
   build:
     runs-on: ubuntu-latest
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Get docker image cache
+        uses: actions/cache@v4
+        with:
+          path: /tmp/docker-cache
+          key: docker-images-${{ hashFiles('docker-compose.yml') }}
+
+      - name: Clear docker cache (if requested)
+        if: github.event.inputs.clear_cache == 'true'
+        run: |
+          echo "Clearing Docker cache..."
+          rm -rf /tmp/docker-cache
+          echo "Docker cache cleared"
+
+      - name: Load or pull images
+        run: |
+          if [ -f /tmp/docker-cache/balatro.tar ]; then
+            echo "Loading Image"
+            docker load -i /tmp/docker-cache/balatro.tar
+          else
+            echo "Pulling Image"
+            docker compose pull balatro
+            mkdir -p /tmp/docker-cache
+            docker save $(docker compose config | grep image: | awk '{print $2}') -o /tmp/docker-cache/balatro.tar
+          fi
+
       - name: Export UID/GID for Compose
         run: |
           echo "UID=$(id -u)" >> "$GITHUB_ENV"
@@ -24,7 +53,3 @@ jobs:
 
       - name: Build the project
         run: docker compose -f docker-compose.yml run --rm balatro sh -c "make -j$(nproc)"
-
-      - name: Compose down
-        if: always()
-        run: docker compose -f docker-compose.yml down -v || true