mesh-catalog/modules/n8n/README.md

n8n

The n8n module of the mesh catalogue: runs the upstream image n8nio/n8n by digest with the uuid package mounted into it (ADR 0480 clauses 1, 3, 7 and 8); runs the container image redis; runs the container image selenium/standalone-chrome.

• The server container no longer comes from a Dockerfile. Its program is the upstream image's, bit for bit the one the module built on before (digest 4846eb2f...; the running container reports release 1.71.3).
• uuid 14.0.1, which Code nodes require, is fetched once by its pinned sha256 from the package registry and mounted read-only at /usr/local/lib/node_modules/uuid (where npm install -g put it in the image the module built).
• The server joins the media library's group as a supplementary group, groups from the config key media-gid; the key has no default, so a machine that does not say it refuses n8n.

Files it does not know

Each directory or archive this module declares says how it treats a file it did not write (ADR 0422, ADR 0416).

• ${dir:state}: everything in it is the program's; the mesh moves nothing out (ADR 0422 §2).
• ${dir:data}: everything in it is the program's; the mesh moves nothing out (ADR 0422 §2).
• ${dir:state}/uuid: everything in it is the program's; the mesh moves nothing out (ADR 0422 §2).
• ${dir:cache}: everything in it is the program's; the mesh moves nothing out (ADR 0422 §2).