Dockerfile.fly

# Fly.io Dockerfile for Sub2API
FROM golang:1.26-alpine AS builder

WORKDIR /app

# Install build dependencies
RUN apk add --no-cache git

# Copy go mod files
COPY backend/go.mod backend/go.sum ./
RUN go mod download

# Copy backend source
COPY backend/ ./

# Build frontend first
RUN apk add --no-cache nodejs npm
WORKDIR /app/frontend
RUN npm install -g pnpm && pnpm install && pnpm run build

# Go back to backend and build
WORKDIR /app/backend
COPY --from=frontend-builder /app/frontend/dist ./internal/web/dist

RUN CGO_ENABLED=0 GOOS=linux go build -o sub2api ./cmd/server

# Final stage
FROM alpine:latest
WORKDIR /app
COPY --from=builder /app/backend/sub2api .
COPY --from=builder /app/backend/internal/web ./internal/web
COPY deploy/config.example.yaml ./data/config.yaml

EXPOSE 8080
CMD ["./sub2api"]