Dockerfile for Angular

Dockerfile

## Reference: https://snyk.io/blog/10-best-practices-to-containerize-nodejs-web-applications-with-docker/

FROM node:14.20.1-alpine AS builder
ARG ENV_NAME
WORKDIR /app
ENV ENV_NAME ${ENV_NAME}
COPY package.json package-lock.json ./
RUN npm install

COPY . .

RUN npm run build-${ENV_NAME}

FROM nginx:1.23.1-alpine


COPY --from=builder /app/dist/dashboard-app/ /usr/share/nginx/html

RUN mkdir -p /var/cache/nginx && \
    apk --no-cache add shadow && usermod -u 10014 nginx && \
    groupmod -g 10014 nginx && \
    apk del shadow && \
    chown -R nginx:nginx /usr/share/nginx/html && \
    chown -R nginx:nginx /var/cache/nginx && \
    chown -R nginx:nginx /var/log/nginx && \
    chown -R nginx:nginx /etc/nginx/conf.d && \
    chown -R nginx:nginx /etc/nginx/nginx.conf && \
    touch /var/run/nginx.pid && \
    chown -R nginx:nginx /var/run/nginx.pid && \
    sed -i 's/listen  .*/listen 9005;/g' /etc/nginx/conf.d/default.conf
    # The line above was there due security context configuration in Kubernetes that doesn't allow container start on port 80.  

USER nginx
WORKDIR /usr/share/nginx/html
EXPOSE 9005

CMD ["nginx", "-g", "daemon off;"]