Dockerfile

# Use a multi-stage build to optimize image size
FROM node:14-alpine AS build
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production
COPY . .
RUN npm run build

FROM nginx:alpine
LABEL maintainer="Your Name <youremail@example.com>"

# Install necessary packages
RUN apk add --no-cache --update \
    curl \
    openssl \
    supervisor

# Copy files from build stage
COPY --from=build /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/nginx.conf
COPY default.conf /etc/nginx/conf.d/default.conf
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Set up SSL certificate
RUN mkdir -p /etc/nginx/ssl
RUN openssl req -x509 -newkey rsa:4096 -keyout /etc/nginx/ssl/nginx.key \
    -out /etc/nginx/ssl/nginx.crt -days 365 -nodes -subj "/CN=localhost"

# Start supervisor to run multiple processes
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]