# syntax=docker/dockerfile:1

# --- Stage 1: build the web frontend (web/dist) -----------------------------
FROM node:22-bookworm-slim AS web
WORKDIR /web
# Install deps first for better layer caching. --include=dev is explicit so the
# build works even if NODE_ENV=production leaks in (vite/tsc are devDependencies).
COPY web/package.json web/package-lock.json ./
RUN npm ci --include=dev
COPY web/ ./
RUN npm run build

# --- Stage 2: build the Go server binary ------------------------------------
FROM golang:1.25-bookworm AS go
WORKDIR /src
# Cache module downloads separately from the source.
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# modernc.org/sqlite is pure Go, so we can build a fully static binary.
RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/server ./cmd/server

# --- Stage 3: minimal runtime image -----------------------------------------
FROM debian:bookworm-slim AS runtime
RUN apt-get update \
    && apt-get install -y --no-install-recommends ca-certificates \
    && rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY --from=go /out/server /app/server
COPY --from=web /web/dist /app/web/dist

# The server reads these at runtime (see cmd/server/main.go). DATA_DIR should be
# backed by a Dokku persistent volume so the SQLite DB survives redeploys.
ENV STATIC_DIR=/app/web/dist \
    DATA_DIR=/app/data \
    PORT=8080
EXPOSE 8080

CMD ["/app/server"]