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# Prometheus + Grafana monitoring overlay for Zeph.
#
# Usage (Zeph running on the host via `cargo run`):
# docker compose -f docker/docker-compose.metrics.yml up
#
# Usage (Zeph running inside Docker alongside this stack):
# docker compose -f docker/docker-compose.yml -f docker/docker-compose.metrics.yml up
#
# After starting:
# Prometheus: http://localhost:9090
# Grafana: http://localhost:3000 (admin / admin by default)
# Metrics: http://localhost:${ZEPH_METRICS_PORT:-8090}/metrics (served by Zeph gateway)
#
# Networking notes:
# - `extra_hosts: host.docker.internal:host-gateway` works on Docker Desktop (macOS/Windows)
# and Docker Engine >= 20.10 on Linux.
# - On older Linux setups without extra_hosts support, set `network_mode: host` on the
# prometheus service, or change the target in prometheus.yml when Zeph runs inside Docker.
#
# Environment variables:
# GRAFANA_ADMIN_PASSWORD Grafana admin password. Default: admin
services:
prometheus:
image: prom/prometheus:v3.11.2@sha256:5550dc63da361dc30f6fe02ac0e4dfc736ededfef3c8d12a634db04a67824d78
extra_hosts:
- "host.docker.internal:host-gateway"
healthcheck:
interval: 10s
retries: 3
start_period: 15s
test:
timeout: 5s
ports:
- "9090:9090"
restart: unless-stopped
volumes:
- ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
- prometheus_data:/prometheus
grafana:
depends_on:
prometheus:
condition: service_healthy
environment:
GF_AUTH_ANONYMOUS_ENABLED: "true"
GF_AUTH_ANONYMOUS_ORG_ROLE: Viewer
GF_SECURITY_ADMIN_PASSWORD: ${GRAFANA_ADMIN_PASSWORD:-admin}
healthcheck:
interval: 10s
retries: 3
start_period: 20s
test:
timeout: 5s
image: grafana/grafana:13.0.1@sha256:0f86bada30d65ef9d0183b90c1e2682ac92d53d95da8bed322b984ea78a4a73a
ports:
- "3000:3000"
restart: unless-stopped
volumes:
- ./grafana/provisioning:/etc/grafana/provisioning:ro
- ./grafana/dashboards:/var/lib/grafana/dashboards:ro
- grafana_data:/var/lib/grafana
volumes:
grafana_data: null
prometheus_data: null