Dockerfile

### Dependency Cacher
### -------------------------
FROM endeveit/docker-jq:latest as deps

# To prevent cache invalidation from changes in fields other than dependencies
# https://stackoverflow.com/a/59606373
COPY package.json /tmp
RUN jq '{ dependencies, devDependencies, resolutions }' < /tmp/package.json > /tmp/deps.json


### Fat Build
### -------------------------
FROM node:16.14.0-alpine AS builder

WORKDIR /usr/numbers

# Cache dependencies
COPY --from=deps /tmp/deps.json ./package.json
COPY yarn.lock ./
RUN yarn install

# Copy application codebase
COPY . .
RUN yarn run build


### Slim Deploy
### -------------------------
FROM node:16.14.0-alpine

WORKDIR /usr/numbers

# Install and cache production dependencies
COPY --from=deps /tmp/deps.json ./package.json
COPY yarn.lock ./
RUN yarn install --production

# Copy only the built source
COPY --from=builder /usr/numbers/dist ./dist

ENV NODE_ENV="production"

COPY package.json database.json ./
COPY migrations ./migrations
COPY lua ./lua

# Run production compiled code
EXPOSE 3000
CMD [ "node", "./dist/src/server.js" ]