Dockerfile

# Base image for Node.js and Yarn
FROM node:18 as builder

# Set working directory
WORKDIR /usr/src/app

# Copy backends into the image
COPY ./app1 ./app1
COPY ./app2 ./app2

# Install dependencies and build app1
WORKDIR /usr/src/app/app1
RUN npm install

# Install dependencies and build app2
WORKDIR /usr/src/app/app2
RUN npm install

# Final image: Nginx + PM2 + Backends
FROM nginx:latest

# Copy Nginx configuration
COPY nginx/nginx.conf /etc/nginx/nginx.conf

# Install Node.js and PM2
RUN apt-get update && apt-get install -y curl && \
    curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
    apt-get install -y nodejs && \
    npm install -g pm2

# Copy backends from the builder stage
COPY --from=builder /usr/src/app /usr/src/app

# Set working directory for PM2
WORKDIR /usr/src/app

# Expose ports for Nginx
EXPOSE 80

# Start Nginx and both backends
CMD pm2 start /usr/src/app/app1/index.js --name app1 && \
    pm2 start /usr/src/app/app2/index.js --name app2 && \
    nginx -g "daemon off;"


# ////

# COPY default.conf /etc/nginx/conf.d/default.conf

# CMD /bin/bash -c "envsubst '\$PORT' < /etc/nginx/conf.d/default.conf > /etc/nginx/conf.d/default.conf" && nginx -g 'daemon off;'