From 19d1e60d2f068c0ef79b29ab6b2baeda2b61a5f6 Mon Sep 17 00:00:00 2001
From: Ryan Cavicchioni <ryan@cavi.cc>
Date: Mon, 5 May 2025 22:47:24 -0500
Subject: [PATCH] use Docker cache mount for Ruby bundler

---
 dockerfiles/alpine.Dockerfile   | 5 ++---
 dockerfiles/bookworm.Dockerfile | 5 ++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/dockerfiles/alpine.Dockerfile b/dockerfiles/alpine.Dockerfile
index 7a8c074..08f35ef 100644
--- a/dockerfiles/alpine.Dockerfile
+++ b/dockerfiles/alpine.Dockerfile
@@ -30,10 +30,9 @@ EOT
 
 COPY Gemfile Gemfile.lock ./
 
-RUN <<EOT
+RUN \
+  --mount=type=cache,id=usr-local-bundle-ruby-cache,target=${BUNDLE_PATH}/ruby/3.4.0/cache,sharing=locked \
   bundle install
-  rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git
-EOT
 
 COPY . .
 
diff --git a/dockerfiles/bookworm.Dockerfile b/dockerfiles/bookworm.Dockerfile
index b0252d3..cf291bc 100644
--- a/dockerfiles/bookworm.Dockerfile
+++ b/dockerfiles/bookworm.Dockerfile
@@ -38,10 +38,9 @@ RUN \
 
 COPY Gemfile Gemfile.lock ./
 
-RUN <<EOT
+RUN \
+  --mount=type=cache,id=usr-local-bundle-ruby-cache,target=${BUNDLE_PATH}/ruby/3.4.0/cache,sharing=locked \
   bundle install
-  rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git
-EOT
 
 COPY . .