diff --git a/README.md b/README.md
index 29e76ca..0081555 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
-# jama 💬
+# rosterchirp 💬
 ### *just another messaging app*
 
-A modern, self-hosted team messaging Progressive Web App (PWA) built for small to medium teams. jama runs entirely in a single Docker container with no external database dependencies — all data is stored locally using SQLite.
+A modern, self-hosted team messaging Progressive Web App (PWA) built for small to medium teams. rosterchirp runs entirely in a single Docker container with no external database dependencies — all data is stored locally using SQLite.
 
 ---
 
@@ -112,8 +112,8 @@ All builds use `build.sh`. No host Node.js installation is required.
 ### 1. Clone the repository
 
 ```bash
-git clone https://your-gitea/youruser/jama.git
-cd jama
+git clone https://your-gitea/youruser/rosterchirp.git
+cd rosterchirp
 ```
 
 ### 2. Build the Docker image
@@ -135,7 +135,7 @@ At minimum, change `ADMIN_EMAIL`, `ADMIN_PASS`, and `JWT_SECRET`.
 
 ```bash
 docker compose up -d
-docker compose logs -f jama
+docker compose logs -f rosterchirp
 ```
 
 ### 5. Log in
@@ -146,13 +146,13 @@ Open `http://your-server:3000`, log in with your `ADMIN_EMAIL` and `ADMIN_PASS`,
 
 ## HTTPS & SSL
 
-jama does not manage SSL itself. Use **Caddy** as a reverse proxy.
+rosterchirp does not manage SSL itself. Use **Caddy** as a reverse proxy.
 
 ### Caddyfile
 
 ```
 chat.yourdomain.com {
-    reverse_proxy jama:3000
+    reverse_proxy rosterchirp:3000
 }
 ```
 
@@ -161,25 +161,25 @@ chat.yourdomain.com {
 ```yaml
 version: '3.8'
 services:
-  jama:
-    image: jama:${JAMA_VERSION:-latest}
-    container_name: jama
+  rosterchirp:
+    image: rosterchirp:${rosterchirp_VERSION:-latest}
+    container_name: rosterchirp
     restart: unless-stopped
     expose:
       - "3000"
     environment:
       - NODE_ENV=production
       - ADMIN_NAME=${ADMIN_NAME:-Admin User}
-      - ADMIN_EMAIL=${ADMIN_EMAIL:-admin@jama.local}
+      - ADMIN_EMAIL=${ADMIN_EMAIL:-admin@rosterchirp.local}
       - ADMIN_PASS=${ADMIN_PASS:-Admin@1234}
       - USER_PASS=${USER_PASS:-user@1234}
       - ADMPW_RESET=${ADMPW_RESET:-false}
       - JWT_SECRET=${JWT_SECRET:-changeme}
-      - APP_NAME=${APP_NAME:-jama}
-      - JAMA_VERSION=${JAMA_VERSION:-latest}
+      - APP_NAME=${APP_NAME:-rosterchirp}
+      - rosterchirp_VERSION=${rosterchirp_VERSION:-latest}
     volumes:
-      - jama_db:/app/data
-      - jama_uploads:/app/uploads
+      - rosterchirp_db:/app/data
+      - rosterchirp_uploads:/app/uploads
 
   caddy:
     image: caddy:alpine
@@ -194,11 +194,11 @@ services:
       - caddy_data:/data
       - caddy_certs:/config
     depends_on:
-      - jama
+      - rosterchirp
 
 volumes:
-  jama_db:
-  jama_uploads:
+  rosterchirp_db:
+  rosterchirp_uploads:
   caddy_data:
   caddy_certs:
 ```
@@ -209,16 +209,16 @@ volumes:
 
 | Variable | Default | Description |
 |---|---|---|
-| `JAMA_VERSION` | `latest` | Docker image tag to run |
+| `rosterchirp_VERSION` | `latest` | Docker image tag to run |
 | `TZ` | `UTC` | Container timezone (e.g. `America/Toronto`) |
 | `ADMIN_NAME` | `Admin User` | Display name of the default admin account |
-| `ADMIN_EMAIL` | `admin@jama.local` | Login email for the default admin account |
+| `ADMIN_EMAIL` | `admin@rosterchirp.local` | Login email for the default admin account |
 | `ADMIN_PASS` | `Admin@1234` | Initial password for the default admin account |
 | `USER_PASS` | `user@1234` | Default temporary password for bulk-imported users when no password is specified in CSV |
 | `ADMPW_RESET` | `false` | If `true`, resets the **admin** password to `ADMIN_PASS` on every restart. Emergency access recovery only. Shows a warning banner when active. |
 | `JWT_SECRET` | *(insecure default)* | Secret used to sign auth tokens. **Must be changed in production.** |
 | `PORT` | `3000` | Host port to bind (without Caddy) |
-| `APP_NAME` | `jama` | Initial application name (can also be changed in Settings UI) |
+| `APP_NAME` | `rosterchirp` | Initial application name (can also be changed in Settings UI) |
 | `DEFCHAT_NAME` | `General Chat` | Name of the default public group created on first run |
 
 > `ADMIN_EMAIL` and `ADMIN_PASS` are only used on the **first run**. Once the database exists they are ignored — unless `ADMPW_RESET=true`.
@@ -226,7 +226,7 @@ volumes:
 ### Example `.env`
 
 ```env
-JAMA_VERSION=1.0.0
+rosterchirp_VERSION=1.0.0
 TZ=America/Toronto
 
 ADMIN_NAME=Your Name
@@ -239,7 +239,7 @@ ADMPW_RESET=false
 JWT_SECRET=replace-this-with-a-long-random-string-at-least-32-chars
 
 PORT=3000
-APP_NAME=jama
+APP_NAME=rosterchirp
 DEFCHAT_NAME=General Chat
 ```
 
@@ -330,23 +330,23 @@ Users can access the guide at any time via **User menu → Help**.
 
 | Volume | Container path | Contents |
 |---|---|---|
-| `jama_db` | `/app/data` | SQLite database (`jama.db`), `help.md` |
-| `jama_uploads` | `/app/uploads` | Avatars, logos, PWA icons, message images |
+| `rosterchirp_db` | `/app/data` | SQLite database (`rosterchirp.db`), `help.md` |
+| `rosterchirp_uploads` | `/app/uploads` | Avatars, logos, PWA icons, message images |
 
 ### Backup
 
 ```bash
 # Backup database
 docker run --rm \
-  -v jama_db:/data \
+  -v rosterchirp_db:/data \
   -v $(pwd):/backup alpine \
-  tar czf /backup/jama_db_$(date +%Y%m%d).tar.gz -C /data .
+  tar czf /backup/rosterchirp_db_$(date +%Y%m%d).tar.gz -C /data .
 
 # Backup uploads
 docker run --rm \
-  -v jama_uploads:/data \
+  -v rosterchirp_uploads:/data \
   -v $(pwd):/backup alpine \
-  tar czf /backup/jama_uploads_$(date +%Y%m%d).tar.gz -C /data .
+  tar czf /backup/rosterchirp_uploads_$(date +%Y%m%d).tar.gz -C /data .
 ```
 
 ---
@@ -356,11 +356,11 @@ docker run --rm \
 ```bash
 # Upgrade
 ./build.sh 1.1.0
-# Set JAMA_VERSION=1.1.0 in .env
+# Set rosterchirp_VERSION=1.1.0 in .env
 docker compose up -d
 
 # Rollback
-# Set JAMA_VERSION=1.0.0 in .env
+# Set rosterchirp_VERSION=1.0.0 in .env
 docker compose up -d
 ```