Update README

[ci skip]

README.md

@@ -1,3 +1,30 @@
 # drone
 
+[![Build Status](https://drone.autonomic.zone/api/badges/compose-stacks/drone/status.svg)](https://drone.autonomic.zone/compose-stacks/drone)
+
 > https://drone.io
+
+1. Set up Docker Swarm and [`abra`][abra]
+2. Deploy [`compose-stacks/traefik`][compose-traefik]
+3. `cp .envrc.sample .envrc`
+4. Edit `.envrc` - be sure to change `$DOMAIN` to something that resolves to
+   your Docker swarm box
+5. `direnv allow` (or `. .envrc`)
+7. `abra deploy`
+
+
+## Authentication
+
+### Gitea / Github
+
+1. Edit `.envrc.sample` and uncomment the Gitea lines, including 
+   `COMPOSE_FILE`. 
+3. (For Gitea) Set `GITEA_DOMAIN` as appropriate
+3. Create a new OAuth app in Github / Gitea and put the client ID into
+	 `GITEA_CLIENT_ID`.
+4. Store the client secret:
+   ```
+   abra secret insert client_secret v1 put-your-secret-here
+   ```
+5. `direnv allow` (or `. .envrc`)
+7. `abra deploy`