# BASE IMAGE
# Using node:20-bullseye-slim as the base image for our Docker build
FROM node:20-bullseye-slim AS base

# Updating package lists and upgrading installed packages
RUN apt-get update -y
RUN apt-get upgrade -y
# Installing git as it is commonly used for various build processes
RUN apt-get install -y git
# Installing a specific version of npm globally
RUN npm i -g npm@latest

# BUILD IMAGE
# Creating a new build stage starting from the "base" stage
FROM base AS builder
# Setting the working directory inside the Docker container
WORKDIR /codechat

# Copying specific project files needed for installing dependencies
COPY ./package.json ./tsconfig.json ./

# Installing npm packages defined in package.json
RUN npm install

# Copying source code, public files, documentation, and Prisma configuration
COPY ./src ./src
COPY ./public ./public
COPY ./docs ./docs
COPY ./prisma ./prisma
COPY ./views ./views
COPY ./.env ./.env

# Copying scriptis to working directory.
COPY ./scripts/ ./scripts
# Execution permission
RUN chmod +x ./scripts/*
# Executing command
RUN ./scripts/run_database_operation_deploy.sh 

# Running the build process defined in package.json
RUN npm run build
# RELEASE IMAGE
# Creating a new stage for the release image starting from the "base" stage
FROM base AS release

# Setting the working directory
WORKDIR /codechat

# Copying package.json and package-lock.json from the "builder" stage
COPY --from=builder /codechat/package.json ./package.json
COPY --from=builder /codechat/package-lock.json ./package-lock.json

# Installing only production dependencies
RUN npm install --omit=dev

# Copying built code and Prisma configuration from the "builder" stage
COPY --from=builder /codechat/dist ./dist
COPY --from=builder /codechat/prisma ./prisma
COPY --from=builder /codechat/public ./public
COPY --from=builder /codechat/docs ./docs
COPY --from=builder /codechat/views ./views
COPY --from=builder /codechat/.env ./.env
COPY --from=builder /codechat/scripts ./scripts

# Creating a directory for instances (purpose may vary depending on the application)
RUN mkdir instances

# Setting environment variables for the Docker container
ENV DOCKER_ENV=true
ENV NODE_ENV='production'

# Executing command
ENTRYPOINT ["/bin/bash", "-c", ". ./scripts/run_database_operation_generate.sh && npm run start:prod" ]