Dockerfile

# ── Stage 1: Build frontend ────────────────────────────────────────────────
FROM node:20-alpine AS frontend
WORKDIR /build
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci --silent
COPY frontend/ ./
RUN npm run build

# ── Stage 2: Build Go binary ───────────────────────────────────────────────
FROM golang:1.21-alpine AS go-build
WORKDIR /build
COPY api/ ./
RUN CGO_ENABLED=0 go build \
      -ldflags="-s -w" \
      -o /Macroverse42 .

# ── Stage 3: Runtime image ─────────────────────────────────────────────────
FROM alpine:latest
RUN apk add --no-cache ca-certificates tzdata

WORKDIR /app

# Binary + UI
COPY --from=go-build  /Macroverse42        ./Macroverse42
COPY --from=frontend  /build/dist/         ./frontend-build/

# Required config and splash
COPY shader-preview-settings.default.json  ./shader-preview-settings.json
COPY ascii.art                             ./ascii.art

# Public cloud library: starter-pack + VJ-Sorted-Production ISF tree (no resolume/)
COPY shaders/                              ./shaders/
# Empty index — boot auto-scan populates SQLite from files on disk
RUN printf '[]' > shader-index.json
# Baked gallery thumbnails (generated by scripts/bake-thumbnails-offline.mjs)
COPY thumbnails-baked.json           ./thumbnails.json

EXPOSE 8765

CMD ["./Macroverse42"]