Docker Changes

.dockerignore

@@ -0,0 +1,5 @@
+Dockerfile
+.dockerignore
+node_modules
+npm-debug.log
+dist

Dockerfile

@@ -0,0 +1,61 @@
+###################
+# BUILD FOR LOCAL DEVELOPMENT
+###################
+
+FROM node:18-alpine As development
+
+# Create app directory
+WORKDIR /usr/src/app
+
+# Copy application dependency manifests to the container image.
+# A wildcard is used to ensure copying both package.json AND package-lock.json (when available).
+# Copying this first prevents re-running npm install on every code change.
+COPY --chown=node:node package*.json ./
+
+# Install app dependencies using the `npm ci` command instead of `npm install`
+RUN npm ci
+
+# Bundle app source
+COPY --chown=node:node . .
+
+# Use the node user from the image (instead of the root user)
+USER node
+
+###################
+# BUILD FOR PRODUCTION
+###################
+
+FROM node:18-alpine As build
+
+WORKDIR /usr/src/app
+
+COPY --chown=node:node package*.json ./
+
+# In order to run `npm run build` we need access to the Nest CLI which is a dev dependency. In the previous development stage we ran `npm ci` which installed all dependencies, so we can copy over the node_modules directory from the development image
+COPY --chown=node:node --from=development /usr/src/app/node_modules ./node_modules
+
+COPY --chown=node:node . .
+
+# Run the build command which creates the production bundle
+RUN npm run build
+
+# Set NODE_ENV environment variable
+ENV NODE_ENV production
+
+# Running `npm ci` removes the existing node_modules directory and passing in --only=production ensures that only the production dependencies are installed. This ensures that the node_modules directory is as optimized as possible
+RUN npm ci --only=production && npm cache clean --force
+
+USER node
+
+###################
+# PRODUCTION
+###################
+
+FROM node:18-alpine As production
+
+# Copy the bundled code from the build stage to the production image
+COPY --chown=node:node --from=build /usr/src/app/node_modules ./node_modules
+COPY --chown=node:node --from=build /usr/src/app/dist ./dist
+
+# Start the server using the production build
+CMD [ "node", "dist/main.js" ]

old_dockerfile

@@ -0,0 +1,28 @@
+FROM node:alpine AS development
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+RUN npm run build
+
+FROM node:alpine AS prodcution
+
+ARG NODE_ENV=prodcution
+ENV NODE_ENV=${NODE_ENV}
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install --omit=dev
+
+COPY . .
+
+COPY --from=development /app/dist ./dist
+
+CMD npm run start:prod

package.json

@@ -11,7 +11,7 @@
     "start": "cross-env NODE_ENV=development nest start",
     "start:dev": "cross-env NODE_ENV=development nest start --watch",
     "start:debug": "cross-env NODE_ENV=development nest start --debug --watch",
-    "start:prod": "node dist/main",
+    "start:prod": "cross-env NODE_ENV=production node dist/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
     "test": "cross-env NODE_ENV=test jest",
     "test:watch": "cross-env NODE_ENV=test jest --watch --maxWorkers=1",