Creating even smaller docker images with web applications

.dockerignore

node_modules
dist
.git

build.sh

#!/bin/sh

docker build -t my-app .

Dockerfile

FROM node as build

WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
RUN npm run build


FROM alpine as runtime

RUN apk add --no-cache tini busybox-extras
WORKDIR /var/www/html
ENTRYPOINT [ "/sbin/tini", "-g", "--" ]
CMD ["httpd", "-v", "-f", "-p", "8000" ]
EXPOSE 8000


FROM runtime

COPY --from=build /app/dist/ /var/www/html

run.sh

#!/bin/sh

docker run -it --rm --name=my-app -p 8000:8000 my-app