glitchtip: default to port 8100 to avoid Supabase Kong (8000) collision

deploy/glitchtip/.env.example

@@ -10,10 +10,11 @@ SECRET_KEY=
 # Public base URL GlitchTip uses to build DSNs and links. For the default
 # localhost + SSH-tunnel setup leave as-is; for a reverse-proxied subdomain
 # set e.g. https://glitchtip.example.com
-GLITCHTIP_DOMAIN=http://localhost:8000
+GLITCHTIP_DOMAIN=http://localhost:8100
 
 # Host port the dashboard binds to (127.0.0.1 only, see docker-compose.yml).
-GLITCHTIP_PORT=8000
+# Default 8100 to avoid Supabase's Kong gateway, which uses 8000.
+GLITCHTIP_PORT=8100
 
 # Let the first visitor self-register the initial admin user, then turn this
 # off (set to False and `docker compose up -d`) to close registration.

deploy/glitchtip/README.md

@@ -21,11 +21,12 @@ docker compose up -d
 ```
 
 `migrate` runs once automatically, then `web` + `worker` start. The dashboard
-binds to `127.0.0.1:8000` only (no public surface). Reach it either by:
+binds to `127.0.0.1:8100` only (port 8100 by default so it does not collide with
+Supabase's Kong gateway on 8000; no public surface). Reach it either by:
 
-- an SSH tunnel: `ssh -L 8000:127.0.0.1:8000 you@your-host` then open
+- an SSH tunnel: `ssh -L 8100:127.0.0.1:8100 you@your-host` then open
-  `http://localhost:8000`, or
+  `http://localhost:8100`, or
-- your own reverse proxy / TLS in front of `127.0.0.1:8000` (set
+- your own reverse proxy / TLS in front of `127.0.0.1:8100` (set
   `GLITCHTIP_DOMAIN` to that URL).
 
 ## Connect the app
@@ -33,7 +34,7 @@ binds to `127.0.0.1:8000` only (no public surface). Reach it either by:
 1. In GlitchTip: register the first user, create an Organization, then a
    Project (platform: Node/JavaScript). Copy the Project's **DSN**.
 2. Set `SENTRY_DSN=<that DSN>` in the app's environment and restart the app.
-   (For the localhost setup the DSN host will be `localhost:8000`; the app
+   (For the localhost setup the DSN host will be `localhost:8100`; the app
    reaches GlitchTip over the loopback on the same host.)
 3. Turn off open registration: set `ENABLE_OPEN_USER_REGISTRATION=False` in
    `.env` and `docker compose up -d`.

deploy/glitchtip/docker-compose.yml

@@ -60,7 +60,9 @@ services:
       REDIS_URL: redis://redis:6379/0
       PORT: 8080
     ports:
-      - '127.0.0.1:${GLITCHTIP_PORT:-8000}:8080'
+      # Default 8100 (not 8000) so it does not collide with Supabase's Kong
+      # gateway, which binds 8000 on a self-hosted Supabase host.
+      - '127.0.0.1:${GLITCHTIP_PORT:-8100}:8080'
     depends_on:
       postgres:
         condition: service_healthy