diff --git a/Dockerfile b/Dockerfile
index 43c89bf..b4088ec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 # Builds the Vite frontend and runs the Express backend, which serves both the
 # API (/api), uploaded files (/storage), and the built frontend (SPA).
 
-FROM node:20-bookworm-slim
+FROM node:22-bookworm-slim
 
 WORKDIR /app
 
@@ -11,8 +11,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates
     && rm -rf /var/lib/apt/lists/*
 
 # Install dependencies (full install — tsx/vite are needed for build & runtime)
+# --include=dev: build needs vite/tsx (devDeps); Coolify sets NODE_ENV=production
+# during build which would otherwise skip them.
 COPY package.json package-lock.json .npmrc ./
-RUN npm ci --legacy-peer-deps
+RUN npm ci --include=dev --legacy-peer-deps
 
 # Copy source and build the frontend
 COPY . .