From ea272d229b87506c902adf16c4b87ad1529f07be Mon Sep 17 00:00:00 2001
From: "C. Cassel" <cassel@cassel.us>
Date: Thu, 19 Mar 2026 16:22:43 -0400
Subject: [PATCH] fix: collab-server Dockerfile use multi-stage build for
 TypeScript

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 collab-server/Dockerfile | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/collab-server/Dockerfile b/collab-server/Dockerfile
index 5e41bf3..fe3184b 100644
--- a/collab-server/Dockerfile
+++ b/collab-server/Dockerfile
@@ -1,12 +1,21 @@
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm install
+
+COPY . .
+RUN ./node_modules/.bin/tsc
+
 FROM node:22-alpine
 
 WORKDIR /app
 
 COPY package.json package-lock.json* ./
-RUN npm install --production
+RUN npm install --omit=dev
 
-COPY . .
-RUN npx tsc
+COPY --from=builder /app/dist ./dist
 
 EXPOSE 4000