Dockerfile

FROM node:18-alpine as build
WORKDIR /app
RUN apk add --no-cache openssh git
COPY package* ./
RUN npm install --omit=dev
COPY dist ./

FROM golang:latest as go
RUN go install -v github.com/oauth2-proxy/oauth2-proxy/v7@latest

FROM node:18-alpine
# https://stackoverflow.com/questions/66963068/docker-alpine-executable-binary-not-found-even-if-in-path
RUN apk add --no-cache libc6-compat curl
ARG BUILD_VERSION
ARG LOG_LEVEL=info
ARG LOG_LABEL=bull-monitor
ARG ALTERNATE_PORT=8081
ARG PORT=3000
ARG OAUTH2_PROXY_SKIP_AUTH_ROUTES='/metrics,/health,/docs'
WORKDIR /app
COPY --from=go /go/bin/oauth2-proxy ./
COPY --from=build /app ./
COPY docker-entrypoint.sh .
ENV NODE_ENV="production" \
    ALTERNATE_PORT=$ALTERNATE_PORT \
    PORT=$PORT \
    LOG_LEVEL=$LOG_LEVEL \
    LOG_LABEL=$LOG_LABEL \
    OAUTH2_PROXY_SKIP_AUTH_ROUTES=$OAUTH2_PROXY_SKIP_AUTH_ROUTES \
    VERSION=$BUILD_VERSION
EXPOSE 3000
HEALTHCHECK --interval=15s --timeout=30s --start-period=5s --retries=3 CMD curl --fail http://localhost:3000/health || exit 1
ENTRYPOINT ["sh", "docker-entrypoint.sh"]