Dockerize nodejs, pnpm using distroless

.dockerignore

# Ignore All
*

# Allow Some
!bin/www
!db/**
!public/**
!routes/**
!util/**
!views/**
!app.js
!package.json
!pnpm-lock.yaml

Dockerfile

# "build" app with full node container
FROM registry.hub.docker.com/library/node:16 AS build-env

# Default working directory
WORKDIR /app

# Download and install PNPM
RUN curl -f https://get.pnpm.io/v6.16.js | \
    node - add --global pnpm

# pnpm fetch does require only lockfile
COPY pnpm-lock.yaml ./
RUN pnpm fetch --prod

# Bundle app source (use a .dockerignore file to only move what you want)
ADD . ./

# Install using fetched data from lockfile
RUN pnpm install -r --offline --prod

# Move "built" app into distroless node container
FROM gcr.io/distroless/nodejs:16
COPY --from=build-env /app /app
WORKDIR /app

# Include ENV and VOLUME stuff here.

CMD ["./bin/www"]