FROM golang:1.24-alpine AS builder

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

# Set working directory
WORKDIR /app

# Copy and create monitor
COPY ./docker/admin_integration/monitor.go .
COPY go.mod go.sum ./
RUN go mod download
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o monitor monitor.go

# Final stage
FROM alpine:latest

# Install dependencies
RUN apk --no-cache add curl ca-certificates jq

WORKDIR /root/

# Copy the binary
COPY --from=builder /app/monitor .

# Copy monitor scripts
COPY ./docker/admin_integration/monitor-entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

# Create monitoring directories
RUN mkdir -p /monitor-data /logs

# Expose monitor port
EXPOSE 9999

# Set environment variables
ENV MASTER_ADDRESS="master:9333"
ENV ADMIN_ADDRESS="admin:9900"
ENV FILER_ADDRESS="filer:8888"
ENV MONITOR_INTERVAL="10s"
ENV LOG_LEVEL="info"

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
  CMD curl -f http://localhost:9999/health || exit 1

# Start monitor
ENTRYPOINT ["/entrypoint.sh"]