docs: correctly represent the url and env vars that get injected via docker link
Closes dokku/dokku-postgres#221
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@@ -205,7 +205,7 @@ DOKKU_REDIS_LOLIPOP_PORT_6379_TCP_ADDR=172.17.0.1
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The following will be set on the linked application by default:
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```
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REDIS_URL=redis://:SOME_PASSWORD@dokku-redis-lolipop:6379/lolipop
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REDIS_URL=redis://:SOME_PASSWORD@dokku-redis-lolipop:6379
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```
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The host exposed here only works internally in docker containers. If you want your container to be reachable from outside, you should use the `expose` subcommand. Another service can be linked to your app:
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@@ -224,7 +224,7 @@ dokku redis:link lolipop playground
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This will cause `REDIS_URL` to be set as:
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```
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redis2://:SOME_PASSWORD@dokku-redis-lolipop:6379/lolipop
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redis2://:SOME_PASSWORD@dokku-redis-lolipop:6379
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```
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### unlink the redis service from the app
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