# Stage 1: Build Image (Frontend)
FROM node:20-alpine AS frontend-builder
WORKDIR /app/frontend
COPY frontend-react/package*.json ./
RUN npm install
COPY frontend-react/ .
RUN npm run build

# Stage 2: Build Image (Backend)
FROM --platform=$BUILDPLATFORM golang:1.24-alpine AS backend-builder
WORKDIR /app/backend

ARG TARGETOS TARGETARCH

COPY backend/go.mod backend/go.sum ./
RUN go mod download

COPY backend/ .
# Build static binary for Linux amd64
RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags="-w -s" -o server cmd/server/main.go

# Stage 3: Final Image
FROM alpine:latest
WORKDIR /app

# Install runtime dependencies
RUN apk add --no-cache sqlite ca-certificates tzdata python3 py3-pip
RUN pip3 install --break-system-packages --ignore-installed yt-dlp || true

# Copy backend binary
COPY --from=backend-builder /app/backend/server .

# Copy frontend build to the expected static directory
COPY --from=frontend-builder /app/frontend/dist ./dist



# Create data directory
RUN mkdir -p data

# Environment variables
ENV PORT=8000
ENV DATABASE_URL=/app/data/streamflow.db

# Expose port
EXPOSE 8000

# Start server
CMD ["./server"]