보조기억장치
Docker Container 통신 본문
(네트워크 미구성 상태로 실행시 에러발생)
# docker run -d --name mongodb --network favorites-net mongo
1041070bf19f16cd96efcf7937bfe20430f747d16fa0efbaef39bdd0ee7faea0
docker: Error response from daemon: network favorite-net not found.
(컨테이너 전체 삭제)
# docker container prune
(네트워크 생성)
# docker network create favorites-net
f0f9928de7030035e3122b0a2fcff833a14ea715185ce1a8998ffc249e49ee02
(네트워크 확인)
# docker network ls
NETWORK ID NAME DRIVER SCOPE
c0b06e2a9e24 bridge bridge local
f0f9928de703 favorites-net bridge local
025d0546e8cb host host local
8817985aed78 none null local
// 디폴트 드라이버는 'bridge'
(mongodb 컨테이너 실행)
# docker run -d --name mongodb --network favorites-net mongo
c77be76bfd8436e2ff092590fe5938cb8d447612c9f3de434ded1e78a4abee0d
(Node.js 소스 수정)
mongoose.connect(
'mongodb://mongodb:27017/swfavorites',
{ useNewUrlParser: true },
(err) => {
if (err) {
console.log(err);
} else {
app.listen(3000);
}
}
);
(Node.js 컨테이너 실행)
#docker run --name favorites --network favorites-net -d --rm -p 3000:3000 favorites-node
c456a7566c507a1a69c96e61c5fac7f6c98a80996b733e0a2ef46651c4951545
(컨테이너 실행확인)
# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c456a7566c50 favorites-node "docker-entrypoint.s…" 4 seconds ago Up 3 seconds 0.0.0.0:3000->3000/tcp, :::3000->3000/tcp favorites
c77be76bfd84 mongo "docker-entrypoint.s…" 5 minutes ago Up 5 minutes 27017/tcp mongodb
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