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Self-hosted location history. 4-container compose: Rails 8 app + Sidekiq + PostGIS 16-3.4 + Redis 7, plus watchtower. Authentik OIDC end-to-end. Image pinned at freikin/dawarich:1.7.11 (OIDC support requires >= 1.7.8). PostGIS DB lives in this LXC, not on the central DB VM (.172) — central image is postgres:16-alpine without postgis, swapping it carries broader blast radius than colocating here. Convention exception captured in homelab-docs project_dawarich memory. Roles: - dawarich: system + Docker + compose + weekly prune timer - alloy: logs+journald → Loki, node metrics → Prometheus Bring-up sequence proven 2026-06-01. README documents the 5-trap build chain (image version, entrypoint scripts, solid_cache SQLite bind mount, APPLICATION_HOSTS+localhost, force_ssl+healthcheck). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
34 lines
1.3 KiB
Django/Jinja
34 lines
1.3 KiB
Django/Jinja
---
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# Self-contained Alloy stack on /opt/alloy. Runs independently from the
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# host's main service (kestra/infisical/mcp/etc) so a service-side compose
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# down doesn't take logging with it.
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services:
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alloy:
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image: grafana/alloy:latest
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container_name: alloy
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restart: unless-stopped
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command:
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- run
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- /etc/alloy/config.alloy
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- --storage.path=/var/lib/alloy/data
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- --server.http.listen-addr=0.0.0.0:12345
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ports:
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- "12345:12345"
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# Share the host's PID namespace so prometheus.exporter.unix reads
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# /proc with the host kernel's cgroup view (cgroup-aware MemAvailable).
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# Without this, /proc/meminfo returns hybrid values: MemTotal from the
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# host cgroup but Cached/SReclaimable from the container, leading to
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# a ~25% MemAvailable inflation. See docs/audit/alloy-consolidation-2026-05-21.md.
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pid: host
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volumes:
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- /opt/alloy/config.alloy:/etc/alloy/config.alloy:ro
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- /var/lib/alloy:/var/lib/alloy
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- /var/log/journal:/var/log/journal:ro
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- /run/log/journal:/run/log/journal:ro
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- /etc/machine-id:/etc/machine-id:ro
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- /var/run/docker.sock:/var/run/docker.sock:ro
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# Host metric collection for prometheus.exporter.unix (node_exporter replacement)
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- /:/host/rootfs:ro,rslave
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- /proc:/host/proc:ro
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- /sys:/host/sys:ro
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