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Seamark Registry

@seamark.cr
225 followers 1 following 37 posts

Seamark (formally ATCR) - Distributed Container Registry Developer - @evan.jarrett.net

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Seamark Registry @seamark.cr · 15/09/2026
Getting some experiments going with spaces for private images.
screenshot of a repository page from seamark.dev that showcases a private image demo using the new space protocol
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Seamark Registry @seamark.cr · 03/09/2026
Pardon the dust! You may have noticed the "What's New" section appearing a bit spammy on the homepage. My intern Claude has been hard at work validating the last 4 months of bug fixes and improvements.
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Seamark Registry @seamark.cr · 22/08/2026
Like everyone else, I am looking into how to add Spaces to at-container-registry and @seamark.cr The original permission structure maps cleanly to Spaces. One thing spaces can allow for is more granular permissions for users on who can download their containers. ie "private container images"
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Seamark Registry @seamark.cr · 18/08/2026
We have passed 500 registered users! Some other stats: over 50 users using the credential helper to push/pull images. over 100 users have signed into the site in the last 30 days. 6 users are hosting their own storage.
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Seamark Registry @seamark.cr · 18/08/2026
I haven't posted in awhile but I can assure you the project is not dead. Some of you may have noticed the rebrand. The primary reason is to have a hosted solution that is separate from the open source project. There will likely be a long-form explaining all this in the future.
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Seamark Registry @seamark.cr · 14/04/2026
Finally solved both the oauth scopes and login naming debate with the new Login page:
Sign screen showing 
Sign in to AT Container Registry
Evan Jarrett
@evan.jarrett.net
Sign in with transition:generic
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Seamark Registry @seamark.cr · 27/03/2026
Certified architecturally correct
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Seamark Registry @seamark.cr · 26/03/2026
Two new features being worked on: - New layer commands and vulnerabilities page. - The ability to change your preferred client from docker. This changes all the pull commands on the site.
Page from atcr.io that shows list of layer commands and vulnerabilities reportUser settings page showing the ability to change your clientUser page for atcr.io showing the scanner service container with podman pull buoy.cr/atcr.io/scanner
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Seamark Registry @seamark.cr · 15/03/2026
The other batch of stickers arrived. These are much more vibrant compared to the first batch and do not have the white border. Really happy how these turned out. There is ~100 of each style for #atmosphereconf
Stickers showing the atcr logo on a wooden table
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Seamark Registry @seamark.cr · 11/03/2026
First batch of stickers for #atmosphereconf arrived. Getting them from 2 different suppliers with slightly different styles so there will be plenty to hand out.
Stickers showcasing the atcr.io logo on a wooden table
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Seamark Registry @seamark.cr · 10/03/2026
Squidward watching spongebob and patrick with verified checkmarks
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Seamark Registry @seamark.cr · 17/02/2026
Big changes happening. Vulnerability scanning has (mostly) landed. you can take a look at the example here atcr.io/r/evan.jarre... It will be processing images in the background and eventually on push. This is built using Syft and Grype. and records are stored in the holds embedded pds
Vulnerability Scan Results
1298 vulnerabilities found 16 138 304 39 
List of various CVEs and severity levels for packages.
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Seamark Registry @seamark.cr · 10/02/2026
Haven't posted in awhile but that doesn't mean big things aren't being done. Lots of changes coming soon!
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Seamark Registry @seamark.cr · 19/01/2026
Spent the weekend micro-optimizing everything on the atcr.io page rendering and navigation should be much faster, and avatars are now not trying to load the full native resolution.
Tangled.org commit history:

jk found more fixes
865c5971 evan.jarrett.net 16 minutes ago

i don't think i can make this website any faster...
536fa416 evan.jarrett.net 50 minutes ago
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Seamark Registry @seamark.cr · 16/01/2026
Spent some time on the UI. The homepage got more of a redesign. Also added the ability for data export and deletions, so data that is stored by ATCR, but not in your PDS can be viewed/removed at any time.
showing the new hero banner for atcr.io.
your registry at sea
docker login atcr.io
docker push atcr.io/your/repo

cute little manatee mascot off to the right
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Seamark Registry @seamark.cr · 06/01/2026
In addition to working on quotas, An admin dashboard was added to Holds to manage access, quotas, view metrics etc. This is all running off public data from PDS, but gives an easy way to view/edit.
Hold Admin 
Dashboard | Crew | Settings
Dashboard
Crew Members: 55
Storage: 7.2 GB
378 unique blobs
Tier Distribution: deckhand 55 members
Top Users by Storage
Members | Usage | Blobs
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Seamark Registry @seamark.cr · 06/01/2026
Been working on adding quotas to the Holds (storage sidecars) These are optional and fully configurable with different tiers that can be added to crew records. It is set to 5GB currently for the provided storage on @hold01.atcr.io The largest account so far is 3.3GB
Screenshot from atcr.io showing quotas from settings page:
Stowage
Estimated storage usage on your default hold
Tier: Deckhand
Storage 230.5 MB / 5.0 GB
progress bar showing 4% used
Unique Blobs: 20
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Seamark Registry @seamark.cr · 04/01/2026
New in atcr.io Preliminary support for helm charts.
Image of atcr.io showing Tags.
0.0.1 Helm 
sha256:....
helm pull oci://atcr.io/evan.jarrett.net/loom --version 0.0.1
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Reposted by Seamark Registry
Bailey Townsend 🦀 @pds.dad · 03/01/2026
I haven't looked at the lexicons till tonight for @atcr.io , but I love the naming lol
Shows the lexicons for atcr.io  found here 
https://pdsls.dev/at://did:plc:wfj5kyialpmcv2fzk6uqwsln/com.atproto.lexicon.schema
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Seamark Registry @seamark.cr · 23/12/2025
Also new in atcr.io if you add a source label to your build: --label org.opencontainers.image.source="github or gitlab or tangled url" The README will be fetched and displayed as the description.
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Seamark Registry @seamark.cr · 23/12/2025
New in atcr.io you can edit your repo's avatar from the UI. This requires updated oauth scopes, so you will need to log out and back in. Note this also applies using labels/annotations when building: --label io.atcr.io="https://my.cool/image.png"
atcr.io showing a pointer finger hovering over an icon that is dimmed out and shows a + that indicates you can edit it.
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Seamark Registry @seamark.cr · 18/12/2025
New feature: open graph images atcr.io/r/atcr.io/ap...
atcr.io
atcr.io/appview - ATCR
ATProto Container Registry - OCI-compliant registry using AT Protocol for manifest storage
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Seamark Registry @seamark.cr · 31/10/2025
Looking into getting vulnerability scans on atcr.io containers with syft and grype.
Screenshot of atcr.io showing a Vulnerability Report modal.
1 High 3 Medium
table showing CVE, Severity, Package, Installed, Fixed.
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Seamark Registry @seamark.cr · 30/10/2025
New In atcr.io. Dark mode, and lucide icons.
Screenshot of atcr.io that showcases darkmode, lucide icons, and embedded readme.
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Reposted by Seamark Registry
Cargo Hold @hold01.atcr.io · 29/10/2025
@atcr.io just pushed hold:latest Digest: sha256:1ddc828a25... Size: 12.1 MB
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Reposted by Seamark Registry
Cargo Hold @hold01.atcr.io · 29/10/2025
@atcr.io just pushed appview:latest Digest: sha256:8a9052ba4d... Size: 15.0 MB
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Seamark Registry @seamark.cr · 27/10/2025
OCI Containers on Atprotocol atcr.io
atcr.io
ATCR - Distributed Container Registry
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