Dockerfile

# === Stage 1: Build ===

# Use the official Node.js lts image as the base image
FROM node:lts-alpine as BUILD

# Set the working directory inside the container
WORKDIR /app

RUN apk add --no-cache libc6-compat openssl

# Copy the package.json and yarn.lock files to the container
COPY package*.json yarn.lock ./

# Install project dependencies
RUN yarn install --frozen-lockfile

# Copy the rest of the application code to the container
COPY . .

# Run prisma geneate and build production file
RUN yarn prisma generate && yarn build

# === Stage 2: Run ===

# Use a lightweight Node.js lts image as the base image for the final stage
FROM node:lts-alpine

# Set the working directory inside the container
WORKDIR /app

RUN apk add --no-cache libc6-compat openssl

# Copy the built application files from the previous stage
COPY --from=BUILD /app/dist ./dist
COPY --from=BUILD /app/conf.json ./
COPY --from=BUILD /app/prisma ./prisma
COPY --from=BUILD /app/package*.json ./
COPY --from=BUILD /app/yarn.lock ./

# Install production dependencies
RUN yarn install --production --frozen-lockfile && yarn cache clean

# Expose the port that the NestJS application will listen on
EXPOSE 3000

# Start the NestJS application
CMD ["yarn", "start:prod"]