# Stage 1: Compilación ultraligera en Go
FROM golang:1.24-alpine AS builder

WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /app/omnivision-server .

# Stage 2: Runtime con FFmpeg y procesamiento multimedia para Hugging Face Spaces
FROM alpine:3.20

RUN apk add --no-cache ca-certificates ffmpeg tzdata ttf-dejavu fontconfig

WORKDIR /app
RUN adduser -D -u 1000 user || true
COPY --from=builder /app/omnivision-server /app/omnivision-server

RUN mkdir -p /app/temp && chown -R 1000:1000 /app

ENV PORT=7860
ENV WORK_DIR=/app/temp
ENV AI_MODEL=omnivision-neural-media-v2
ENV INFERENCE_BACKEND=cpu

EXPOSE 7860

# Healthcheck: endpoint de salud del servidor web interno
HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
    CMD wget -q -O /dev/null "http://127.0.0.1:${PORT:-7860}/api/v1/health" || exit 1

USER user

ENTRYPOINT ["/app/omnivision-server"]