From 65ec7f0de58f6a8ddb0141b1a35dc1201a710990 Mon Sep 17 00:00:00 2001
From: Sarah Vaupel <sarah.vaupel@uniworx.de>
Date: Thu, 23 Jan 2025 16:51:07 +0100
Subject: [PATCH] build(docker/backend): RUN --mount instead of late COPY [skip
 ci]

---
 docker/backend/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index 2b89763f6..8be8d43f0 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -46,8 +46,8 @@ RUN stack install yesod-bin
 RUN stack install hpack
 
 # pre-build dependencies
-RUN make -- --dependencies-backend STACK_ROOT=${STACK_ROOT} IN_CONTAINER=true JOB=${JOB}
-COPY . ${PROJECT_DIR}
+RUN --mount=type=bind,source=.,target=${PROJECT_DIR} \
+make -- --dependencies-backend STACK_ROOT=${STACK_ROOT} IN_CONTAINER=true JOB=${JOB}
 
 # copy source files
 #COPY app/ ${PROJECT_DIR}/app