chore(compose): rename the server token variable to GHGLANCE_TOKEN

.env.example

@@ -1 +1 @@
-GHGLANCE_GITHUB_TOKEN=
+GHGLANCE_TOKEN=

README.md

@@ -253,7 +253,7 @@ In Coolify:
 
 1. Create a resource from this Git repository with the **Docker Compose**
    build pack and compose file `/compose.yml`.
-2. Set `GHGLANCE_GITHUB_TOKEN` (see [`.env.example`](./.env.example)) to a
+2. Set `GHGLANCE_TOKEN` (see [`.env.example`](./.env.example)) to a
    public-only token: a classic PAT with only `read:user`, never `repo`.
    `compose.yml` requires it and passes it to the container as
    `GITHUB_TOKEN`. The distinct name keeps a `GITHUB_TOKEN` exported in your

compose.yml

@@ -7,7 +7,7 @@ services:
     restart: unless-stopped
     environment:
       - SERVICE_FQDN_GHGLANCE_8080
-      - GITHUB_TOKEN=${GHGLANCE_GITHUB_TOKEN:?set a public-only GitHub token}
+      - GITHUB_TOKEN=${GHGLANCE_TOKEN:?set a public-only GitHub token}
     volumes:
       - ghglance-data:/data
     healthcheck:

docs/deployment-guide.md

@@ -108,10 +108,10 @@ the `ghglance-data` volume, and health-checks `/healthz` with busybox
 
 | Variable | Needed for |
 | --- | --- |
-| `GHGLANCE_GITHUB_TOKEN` | Required by `compose.yml`, which passes it to the container as `GITHUB_TOKEN` for token-less submissions. Must be public-only: a classic PAT with just `read:user`. A token with `repo` scope or any private-repo access is refused for token-less jobs (GitHub would count private contributions in totals and calendars). |
+| `GHGLANCE_TOKEN` | Required by `compose.yml`, which passes it to the container as `GITHUB_TOKEN` for token-less submissions. Must be public-only: a classic PAT with just `read:user`. A token with `repo` scope or any private-repo access is refused for token-less jobs (GitHub would count private contributions in totals and calendars). |
 
 Coolify: create a Docker Compose resource from this repo, compose file
-`/compose.yml`, set `GHGLANCE_GITHUB_TOKEN`, assign the domain, deploy. Server flags
+`/compose.yml`, set `GHGLANCE_TOKEN`, assign the domain, deploy. Server flags
 (`-cooldown`, `-retention`, `-workers`, `-timeout`) are changed by editing `command:` in
 `compose.yml`. Steps for a plain Docker host and the request-handling rules
 are in the README's "Run the web UI" section.