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Thanks for reporting this. We reproduced the same SQLITE_CANTOPEN error when /data is not writable.
Attu v3 runs as the non-root node user (uid=1000, gid=1000). The bind mount ./attu-data:/data replaces the /data directory prepared inside the image, so the host directory must be writable by that user.
On an SELinux-enabled host, also use ./attu-data:/data:Z. Please let us know your host OS if the error remains after correcting the directory ownership.
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shanghaikid commentedon Sep 4, 2026
Thanks for reporting this. We reproduced the same
SQLITE_CANTOPENerror when/datais not writable.Attu v3 runs as the non-root
nodeuser (uid=1000,gid=1000). The bind mount./attu-data:/datareplaces the/datadirectory prepared inside the image, so the host directory must be writable by that user.The recommended option is to use a named volume:
If you need to keep the bind mount, prepare its ownership before starting Attu:
On an SELinux-enabled host, also use
./attu-data:/data:Z. Please let us know your host OS if the error remains after correcting the directory ownership.