# syntax=docker/dockerfile:1
# ── Build stages run on the build host (amd64); Go cross-compiles for TARGETARCH.

FROM --platform=$BUILDPLATFORM node:22-alpine AS ui
WORKDIR /src/dashboard
COPY backend/dashboard/package*.json ./
RUN npm ci
COPY backend/dashboard/ ./
RUN npm run build

FROM --platform=$BUILDPLATFORM golang:1.27-alpine AS go-build
ARG TARGETARCH
ENV GOTOOLCHAIN=auto CGO_ENABLED=0 GOARCH=$TARGETARCH
WORKDIR /src
COPY backend/go.mod backend/go.sum ./
RUN go mod download
COPY backend/ .
COPY --from=ui /src/dashboard/../internal/web/dist ./internal/web/dist
RUN go build -trimpath -ldflags="-s -w" -o /lmr ./cmd/server

# ── Runtime stage (Postgres bundled) ─────────────────────────────────────────
FROM alpine:3.21

RUN apk add --no-cache postgresql16 postgresql16-client su-exec bash

COPY --from=go-build /lmr /usr/local/bin/lmr
COPY deploy/entrypoint-bundled.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

ENV PGDATA=/var/lib/postgresql/data
ENV PGUSER=lmr
ENV PGPASSWORD=lmr
ENV PGDATABASE=lmr
# The gateway reads GATEWAY_DB_URL; set a default that points to the local PG.
ENV GATEWAY_DB_URL="postgres://lmr:lmr@localhost:5432/lmr?sslmode=disable"

VOLUME ["/var/lib/postgresql/data"]
EXPOSE 8080

ENTRYPOINT ["/entrypoint.sh"]