Update docs to remove numeric suffix

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>

docs/cli.md

@@ -51,7 +51,7 @@ One-off commands are started in new containers with the same config as a normal
 
 Links are also created between one-off commands and the other containers for that service so you can do stuff like this:
 
-    $ fig run db psql -h db_1 -U postgres
+    $ fig run db psql -h db -U docker
 
 If you do not want linked containers to be started when running the one-off command, specify the `--no-deps` flag:
 

docs/django.md

@@ -59,7 +59,7 @@ First thing we need to do is set up the database connection. Replace the `DATABA
             'ENGINE': 'django.db.backends.postgresql_psycopg2',
             'NAME': 'postgres',
             'USER': 'postgres',
-            'HOST': 'db_1',
+            'HOST': 'db',
             'PORT': 5432,
         }
     }

docs/env.md

@@ -6,26 +6,26 @@ title: Fig environment variables reference
 Environment variables reference
 ===============================
 
-**Note:** Environment variables are no longer the recommended method for connecting to linked services. Instead, you should use the link name (by default, <b><i>name</i>_1</b>) as the hostname to connect to. See the [fig.yml documentation](yml.html#links) for details.
+**Note:** Environment variables are no longer the recommended method for connecting to linked services. Instead, you should use the link name (by default, the name of the linked service) as the hostname to connect to. See the [fig.yml documentation](yml.html#links) for details.
 
 Fig uses [Docker links] to expose services' containers to one another. Each linked container injects a set of environment variables, each of which begins with the uppercase name of the container.
 
 To see what environment variables are available to a service, run `fig run SERVICE env`.
 
 <b><i>name</i>\_PORT</b><br>
-Full URL, e.g. `DB_1_PORT=tcp://172.17.0.5:5432`
+Full URL, e.g. `DB_PORT=tcp://172.17.0.5:5432`
 
 <b><i>name</i>\_PORT\_<i>num</i>\_<i>protocol</i></b><br>
-Full URL, e.g. `DB_1_PORT_5432_TCP=tcp://172.17.0.5:5432`
+Full URL, e.g. `DB_PORT_5432_TCP=tcp://172.17.0.5:5432`
 
 <b><i>name</i>\_PORT\_<i>num</i>\_<i>protocol</i>\_ADDR</b><br>
-Container's IP address, e.g. `DB_1_PORT_5432_TCP_ADDR=172.17.0.5`
+Container's IP address, e.g. `DB_PORT_5432_TCP_ADDR=172.17.0.5`
 
 <b><i>name</i>\_PORT\_<i>num</i>\_<i>protocol</i>\_PORT</b><br>
-Exposed port number, e.g. `DB_1_PORT_5432_TCP_PORT=5432`
+Exposed port number, e.g. `DB_PORT_5432_TCP_PORT=5432`
 
 <b><i>name</i>\_PORT\_<i>num</i>\_<i>protocol</i>\_PROTO</b><br>
-Protocol (tcp or udp), e.g. `DB_1_PORT_5432_TCP_PROTO=tcp`
+Protocol (tcp or udp), e.g. `DB_PORT_5432_TCP_PROTO=tcp`
 
 <b><i>name</i>\_NAME</b><br>
 Fully qualified container name, e.g. `DB_1_NAME=/myapp_web_1/myapp_db_1`

docs/index.md

@@ -59,7 +59,7 @@ from flask import Flask
 from redis import Redis
 import os
 app = Flask(__name__)
-redis = Redis(host="redis_1", port=6379)
+redis = Redis(host='redis', port=6379)
 
 @app.route('/')
 def hello():

docs/rails.md

@@ -73,7 +73,7 @@ Open up your newly-generated `database.yml`. Replace its contents with the follo
       pool: 5
       username: postgres
       password:
-      host: db_1
+      host: db
 
     test:
       <<: *default

docs/wordpress.md

@@ -44,7 +44,7 @@ Two supporting files are needed to get this working - first up, `wp-config.php`
 define('DB_NAME', 'wordpress');
 define('DB_USER', 'root');
 define('DB_PASSWORD', '');
-define('DB_HOST', "db_1:3306");
+define('DB_HOST', "db:3306");
 define('DB_CHARSET', 'utf8');
 define('DB_COLLATE', '');
 

docs/yml.md

@@ -39,7 +39,7 @@ command: bundle exec thin -p 3000
 <a name="links"></a>
 ### links
 
-Link to containers in another service. Optionally specify an alternate name for the link, which will determine how environment variables are prefixed, e.g. `db` -> `DB_1_PORT`, `db:database` -> `DATABASE_PORT`
+Link to containers in another service. Either specify both the service name and the link alias (`SERVICE:ALIAS`), or just the service name (which will also be used for the alias).
 
 ```
 links:
@@ -51,9 +51,9 @@ links:
 An entry with the alias' name will be created in `/etc/hosts` inside containers for this service, e.g:
 
 ```
-172.17.2.186  db_1
+172.17.2.186  db
 172.17.2.186  database
-172.17.2.187  redis_1
+172.17.2.187  redis
 ```
 
 Environment variables will also be created - see the [environment variable reference](env.html) for details.