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Add Docker registry UI and tag cleanup automation

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Deploy joxit/docker-registry-ui on port 8080 for browsing images/tags.
Add Python script to prune old registry tags (keeps last N per image),
scheduled daily at 2am via cron. Expose UI via reverse proxy at
registry.viktorbarzin.me with Authentik auth.
This commit is contained in:
Viktor Barzin 2026-02-07 22:38:15 +00:00
parent f8c25d9c23
commit 11d328fb99
3 changed files with 94 additions and 1 deletions
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9
main.tf
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@ -276,6 +276,12 @@ module "docker-registry-template" {
templatefile("${path.root}/modules/docker-registry/nginx_registry.conf", {})
)
),
"docker run -d --restart always --net host --name registry-ui -e NGINX_LISTEN_PORT=8080 -e NGINX_PROXY_PASS_URL=http://127.0.0.1:5000 -e DELETE_IMAGES=true -e SINGLE_REGISTRY=true -e SHOW_CONTENT_DIGEST=true -e SHOW_CATALOG_NB_TAGS=true -e CATALOG_ELEMENTS_LIMIT=1000 -e TAGLIST_PAGE_SIZE=100 -e REGISTRY_TITLE=viktorbarzin.me joxit/docker-registry-ui:latest",
# Deploy tag cleanup script (keep last 10 tags per image) and schedule daily at 2am before weekly GC
format("echo %s | base64 -d > /etc/docker-registry/cleanup-tags.sh && chmod +x /etc/docker-registry/cleanup-tags.sh",
base64encode(file("${path.root}/modules/docker-registry/cleanup-tags.sh"))
),
"( crontab -l 2>/dev/null; echo '0 2 * * * /etc/docker-registry/cleanup-tags.sh 10 >> /var/log/registry-cleanup.log 2>&1' ) | crontab -",
]
}
@ -298,7 +304,8 @@ module "docker-registry-vm" {
# ports:
# 5000 -> registry
# 5001 -> metrics
# 5002 -> ngin proxy <-- use this to prevent races on the same blobs
# 5002 -> nginx proxy <-- use this to prevent races on the same blobs
# 8080 -> registry-ui (joxit/docker-registry-ui)
}
# module that provisions the proxmox host?