FROM alpine:latest AS version
COPY VERSION.txt /tmp/version.txt

FROM node:20-alpine AS builder

WORKDIR /app/www
COPY www/package.json www/package-lock.json ./
RUN npm install

COPY www/ ./
RUN node build-blog.js

FROM nginx:alpine
COPY --from=version /tmp/version.txt /tmp/version.txt

COPY --from=builder /app/www/ /usr/share/nginx/html/
COPY docker-entrypoint.d/ /docker-entrypoint.d/
RUN chmod +x /docker-entrypoint.d/*.sh

ENTRYPOINT ["/docker-entrypoint.d/30-envsubst.sh", "--", "nginx", "-g", "daemon off;"]