# Stage 1: Build the Go application
FROM golang:1.21-alpine AS builder

WORKDIR /app
# Mock basic go mod init so it can build without external pre-requisites
RUN go mod init ai-media-hub && \
    go get github.com/gofiber/fiber/v2 github.com/gofiber/fiber/v2/middleware/cors github.com/gofiber/fiber/v2/middleware/logger github.com/gofiber/websocket/v2
COPY backend/ ./backend/
RUN CGO_ENABLED=0 GOOS=linux go build -o /ai-media-hub ./backend/main.go

# Stage 2: Final runtime container with Python & Go binary
FROM python:3.10-slim

WORKDIR /app

# Install dependencies (ffmpeg for yt-dlp processing)
RUN apt-get update && \
    apt-get install -y --no-install-recommends ffmpeg curl ca-certificates && \
    rm -rf /var/lib/apt/lists/*

# Install Python worker requirements
COPY worker/requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy Go binary from builder
COPY --from=builder /ai-media-hub /app/ai-media-hub

# Copy Frontend files and worker files
COPY frontend/ ./frontend/
COPY worker/ ./worker/

# Expose port (Internal 8000)
EXPOSE 8000

# Entrypoint: Run Go backend
CMD ["/app/ai-media-hub"]