From 5fb9a1a1afc71ff1550a644847e73d65ec5314ae Mon Sep 17 00:00:00 2001
From: Damir Mukimov <mukimov.d@gmail.com>
Date: Sun, 30 Nov 2025 15:37:52 +0100
Subject: [PATCH] Fix Docker build for Yarn v4

- Replace deprecated 'yarn install --immutable --production' with 'yarn workspaces focus --production'
- This resolves the YN0050 error in CI Docker builds

Yarn v4 deprecated the --production flag on install command.
---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 6a10dbd..8807d00 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,7 +36,7 @@ WORKDIR /app
 COPY .yarnrc.yml package.json yarn.lock ./
 
 # Install production dependencies (uses PnP)
-RUN yarn install --immutable --production
+RUN yarn workspaces focus --production
 
 # Copy PnP files and built application from builder stage
 COPY --from=builder --chown=nextjs:nodejs /app/.pnp.cjs /app/.pnp.loader.mjs ./