docker

api/Dockerfile

@@ -1,31 +1,27 @@
-FROM node:22 AS development
-WORKDIR /api/src
+# -------- BUILD --------
+FROM node:22 AS build
+WORKDIR /app
+
 COPY package*.json ./
-RUN npm install
+RUN npm ci
 COPY . .
 RUN npm run build
 
-################
-## PRODUCTION ##
-################
-# Build another image named production
-FROM node:22 AS production
+# -------- PROD DEPS (nur prod node_modules) --------
+FROM node:22 AS deps
+WORKDIR /app
 
-# Set node env to prod
-ARG NODE_ENV=production
-ENV NODE_ENV=${NODE_ENV}
+COPY package*.json ./
+RUN npm ci --omit=dev && npm cache clean --force
 
-# Set Working Directory
-WORKDIR /api/src
+# -------- RUNTIME --------
+FROM node:22-slim AS runtime
+ENV NODE_ENV=production
+WORKDIR /app
 
-# Copy all from development stage
-COPY --from=development /api/src/ .
+COPY --from=deps  /app/node_modules ./node_modules
+COPY --from=build /app/dist ./dist
+COPY package*.json ./
 
 EXPOSE 4000
-
-# Run app
-CMD [ "node", "dist/src/main" ]
-
-# Example Commands to build and run the dockerfile
-# docker build -t thomas-nest .
-# docker run thomas-nest
+CMD ["node", "dist/src/main"]