From 75740e26587b0017489c4b80634e8c6dbbff29a2 Mon Sep 17 00:00:00 2001
From: Mateus Pontes <mateuspo10@gmail.com>
Date: Fri, 16 Nov 2018 17:54:03 -0200
Subject: [PATCH] docker-compose: add networking (#876)

---
 docker-compose.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/docker-compose.md b/docker-compose.md
index bb32cf389..f45fdbbc6 100644
--- a/docker-compose.md
+++ b/docker-compose.md
@@ -196,3 +196,21 @@ services:
     extra_hosts:
       - "somehost:192.168.1.100"
 ```
+
+### Network
+
+```yaml
+# creates a custom network called `frontend`
+networks:
+  frontend:
+```
+
+### External network
+
+```yaml
+# join a pre-existing network
+networks:
+  default:
+    external:
+      name: frontend
+```