7797f89fcb
Add complete centralized logging solution for all Docker containers. New services: - Loki: Log aggregation backend (loki.fig.systems) - Promtail: Log collection agent - Grafana: Log visualization (logs.fig.systems) Features: - Automatic Docker container discovery - 30-day log retention (configurable) - Powerful LogQL querying - Pre-configured Grafana datasource - Comprehensive documentation Resources: - ~400-700MB RAM for 20 containers - Automatic labeling by container/project/service - SSO protection for Loki API Documentation: - Complete setup guide - Query examples and patterns - Troubleshooting steps - Best practices
70 lines
1.8 KiB
YAML
70 lines
1.8 KiB
YAML
server:
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http_listen_port: 9080
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grpc_listen_port: 0
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positions:
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filename: /tmp/positions.yaml
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clients:
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- url: http://loki:3100/loki/api/v1/push
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scrape_configs:
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# Docker containers logs
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- job_name: docker
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docker_sd_configs:
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- host: unix:///var/run/docker.sock
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refresh_interval: 5s
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filters:
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- name: label
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values: ["logging=promtail"]
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relabel_configs:
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# Use container name as job
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- source_labels: ['__meta_docker_container_name']
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regex: '/(.*)'
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target_label: 'container'
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# Use image name
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- source_labels: ['__meta_docker_container_image']
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target_label: 'image'
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# Use container ID
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- source_labels: ['__meta_docker_container_id']
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target_label: 'container_id'
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# Add all docker labels as labels
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- action: labelmap
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regex: __meta_docker_container_label_(.+)
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# All Docker containers (fallback)
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- job_name: docker_all
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docker_sd_configs:
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- host: unix:///var/run/docker.sock
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refresh_interval: 5s
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relabel_configs:
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- source_labels: ['__meta_docker_container_name']
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regex: '/(.*)'
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target_label: 'container'
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- source_labels: ['__meta_docker_container_image']
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target_label: 'image'
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- source_labels: ['__meta_docker_container_log_stream']
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target_label: 'stream'
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# Extract compose project and service
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- source_labels: ['__meta_docker_container_label_com_docker_compose_project']
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target_label: 'compose_project'
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- source_labels: ['__meta_docker_container_label_com_docker_compose_service']
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target_label: 'compose_service'
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# System logs
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- job_name: system
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static_configs:
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- targets:
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- localhost
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labels:
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job: varlogs
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__path__: /var/log/*log
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