Fix docker file

Author: lukasabbe

Dockerfile

@@ -1,22 +1,40 @@
-# Dependencies
-FROM node:22-alpine AS dependencies
+# 1. Dependencies for building
+FROM node:22-bookworm-slim AS build-deps
 WORKDIR /app
 COPY package.json package-lock.json ./
-RUN npm install
+RUN npm ci
 
-# Build
-FROM node:22-alpine AS build
+# 2. Build the application
+FROM node:22-bookworm-slim AS build
 WORKDIR /app
-COPY --from=dependencies /app/node_modules ./node_modules
+COPY --from=build-deps /app/node_modules ./node_modules
 COPY . .
 RUN npm run build
 
-# Deploy
-FROM node:22-alpine as deploy
+# 3. Dependencies for production ONLY
+FROM node:22-bookworm-slim AS prod-deps
 WORKDIR /app
-ENV NODE_ENV production
-EXPOSE 3000
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev
+
+# 4. Deploy
+FROM node:22-bookworm-slim AS deploy
+WORKDIR /app
+
+# Set to production environment
+ENV NODE_ENV=production
+
+# Copy only what is strictly necessary for runtime
 COPY --from=build /app/package.json ./
-COPY --from=build /app/node_modules ./node_modules
+COPY --from=prod-deps /app/node_modules ./node_modules
 COPY --from=build /app/dist ./dist
-CMD [ "npm", "run", "start" ]
+
+RUN mkdir logs && chown node:node logs
+
+USER node
+
+EXPOSE 3000
+
+# Run node directly for proper signal handling (graceful shutdowns)
+# Make sure to point this to your actual compiled entry file!
+CMD [ "node", "dist/index.js" ]