# node:22-alpine as of 2026-02-22
FROM node@sha256:e4bf2a82ad0a4037d28035ae71529873c069b13eb0455466ae0bc13363826e34 AS build
WORKDIR /app
COPY package.json yarn.lock ./
RUN yarn install --frozen-lockfile
RUN apk add --no-cache git make
COPY . .
# make check runs script/check (test + lint + fmt-check); its test step
# is the production yarn build, so this both produces dist/ and gates the
# image on lint/fmt-check/test regressions, not merely a broken build.
RUN make check

# nginx:stable-alpine as of 2026-02-22
FROM nginx@sha256:15e96e59aa3b0aada3a121296e3bce117721f42d88f5f64217ef4b18f458c6ab
RUN rm /etc/nginx/conf.d/default.conf
COPY nginx.conf /etc/nginx/conf.d/netwatch.conf
COPY --from=build /app/dist /usr/share/nginx/html

EXPOSE 8080

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