FROM golang:latest AS builder

WORKDIR /build

# Copy shared module first
COPY shared/ ./shared/

# Copy watcher module
COPY watcher/ ./watcher/

# Build the binary
WORKDIR /build/watcher
RUN go mod download
RUN CGO_ENABLED=0 go build -o watcher .

# Runtime stage
FROM ubuntu:latest

WORKDIR /app

# Install runtime dependencies
RUN apt-get update && apt-get install -y ca-certificates tzdata curl wget && rm -rf /var/lib/apt/lists/*

# Copy binary from builder
COPY --from=builder /build/watcher/watcher .

# Copy static files
COPY --from=builder /build/watcher/static ./static

EXPOSE 4321

CMD ["./watcher"]