From f4ec67dbc4ff3074d2f2d1488f540804257b67ce Mon Sep 17 00:00:00 2001
From: Kohei Watanabe <kou029w@gmail.com>
Date: Fri, 17 Jun 2022 16:47:50 +0900
Subject: [PATCH] create docker-network example

---
 docker-network/README.md   | 15 +++++++++++++++
 docker-network/compose.yml | 18 ++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 docker-network/README.md
 create mode 100644 docker-network/compose.yml

diff --git a/docker-network/README.md b/docker-network/README.md
new file mode 100644
index 0000000..4580caf
--- /dev/null
+++ b/docker-network/README.md
@@ -0,0 +1,15 @@
+やりたいこと: 複数の NIC がある環境でそれぞれ Docker コンテナに割り当てたい
+
+メモ:
+
+```sh
+docker compose create
+sudo apt install -y bridge-utils
+sudo brctl addif br-nic-a <NIC名>
+docker compose start
+# brctl show
+```
+
+インターネットにつながることは確認できなかった。
+NIC を割り当てることはできた。
+あとは IP アドレスを振れば問題無いか。
diff --git a/docker-network/compose.yml b/docker-network/compose.yml
new file mode 100644
index 0000000..6192021
--- /dev/null
+++ b/docker-network/compose.yml
@@ -0,0 +1,18 @@
+services:
+  a:
+    image: alpine
+    network_mode: none
+    networks:
+      a:
+        ipv4_address: "10.10.1.10"
+    command: ping 8.8.8.8
+networks:
+  a:
+    driver: bridge
+    internal: true
+    driver_opts:
+      com.docker.network.bridge.name: br-nic-a
+    ipam:
+      config:
+        - subnet: "10.10.1.0/24"
+          gateway: "10.10.1.1"