# syntax=docker/dockerfile:1.7

# ── Development ──────────────────────────────────────────────────────────────
# Used by docker-compose.yml (target: development). Source is bind-mounted in
# dev so the COPY . below is effectively replaced at runtime; the layer still
# exists so the image is self-contained for cold starts (e.g. devcontainer).
FROM node:20.19.0-alpine3.21 AS development
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
EXPOSE 5173
CMD ["npm", "run", "dev"]

# ── Build ────────────────────────────────────────────────────────────────────
# Compiles the SvelteKit Node-adapter output to /app/build.
FROM node:20.19.0-alpine3.21 AS build
WORKDIR /app
# VITE_SENTRY_DSN is a build-time variable — Vite bakes it into the bundle.
# Passed via docker-compose build.args; empty string disables the SDK.
ARG VITE_SENTRY_DSN
ENV VITE_SENTRY_DSN=$VITE_SENTRY_DSN
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN npm run build

# ── Production ───────────────────────────────────────────────────────────────
# Self-contained Node server. `node build` is the adapter-node entrypoint.
FROM node:20.19.0-alpine3.21 AS production
WORKDIR /app
ENV NODE_ENV=production
COPY --from=build /app/build ./build
COPY --from=build /app/package.json ./package.json
COPY --from=build /app/package-lock.json ./package-lock.json
RUN npm ci --omit=dev --ignore-scripts
EXPOSE 3000
CMD ["node", "build"]
