このチャプターの目次
■なぜ今コンテナなのか
参考
202106 AWS Black Belt Online Seminar CON110 なぜ今コンテナなのか
■Cloud9上にdockerセットアップされていることを確認
cmd
docker -v
result
Docker version 20.10.13, build a224086
■Cloud9上にDockerfileを作成
cmd
cd ~/environment
cat << EOF > Dockerfile
FROM php:7.4.0-apache
COPY src/ /var/www/html/
EOF
mkdir src
cat << EOF > ./src/index.php
<!DOCTYPE html>
<html lang="ja">
<head>
<title>Hello! Jaws Days 2022!!</title>
</head>
<body>
<p>Hello! Jaws Days 2022!!</p>
<?php echo gethostname(); ?>
</body>
</html>
EOF
ls -l ./Dockerfile ./src/index.php
result
-rw-rw-r-- 1 ec2-user ec2-user 47 Sep 15 12:01 ./Dockerfile
-rw-rw-r-- 1 ec2-user ec2-user 190 Sep 15 12:01 ./src/index.php
■Cloud9上でDocker イメージを構築
cmd
docker build \
-t jaws-days-2022/container-hands-on .
result
Sending build context to Docker daemon 9.822MB
Step 1/2 : FROM php:7.4.0-apache
7.4.0-apache: Pulling from library/php
000eee12ec04: Pull complete
8ae4f9fcfeea: Pull complete
60f22fbbd07a: Pull complete
ccc7a63ad75f: Pull complete
a2427b8dd6e7: Pull complete
91cac3b30184: Pull complete
d6e40015fc10: Pull complete
9858aa646efe: Pull complete
7940985f7eb2: Pull complete
b23f72eebcfb: Pull complete
75bb7b8d192c: Pull complete
7edf943992b0: Pull complete
c8bf9d9d0e11: Pull complete
Digest: sha256:686af696a87d3836c694380588368ff4e7ad3e30f1faef387c545890b340edee
Status: Downloaded newer image for php:7.4.0-apache
---> bf262c8621c1
Step 2/2 : COPY src/ /var/www/html/
---> 31879637952a
Successfully built 31879637952a
Successfully tagged jaws-days-2022/container-hands-on:latest
■Cloud9上でDocker イメージを構築されたことを確認
cmd
docker images \
--filter reference= jaws-days-2022/container-hands-on:latest
result
REPOSITORY TAG IMAGE ID CREATED SIZE
jaws-days-2022/container-hands-on latest 31879637952a 47 seconds ago 414MB
■Cloud9上でDocker イメージを起動
cmd
docker run \
--name container-hands-on \
-d -p 8080:80 jaws-days-2022/container-hands-on:latest
result
90d092942d12681bcf38fe41e72e56bec3b241be4560e12365169c6a773b809c
画面
- Cloud9のヘッダ部分の
Preview->Preview Runnnig Applicationのボタン押下 -
Hello! Jaws Days 2022!!と記載された画面が表示されること
Positive
: 作業ミス等によりコンテナを止めたい場合には以下を実行ください
docker stop $(docker ps -q)
docker rm $(docker ps -q -a)
■Docker ImageにTag付けを行う
cmd
docker tag \
jaws-days-2022/container-hands-on:latest `echo ${AccountID}`.dkr.ecr.ap-northeast-1.amazonaws.com/jaws-days-2022/container-hands-on:latest
result
（なし）
■Docker ImageにTag付けの確認
cmd
docker images \
--filter reference=`echo ${AccountID}`.dkr.ecr.ap-northeast-1.amazonaws.com/jaws-days-2022/container-hands-on:latest
result
REPOSITORY TAG IMAGE ID CREATED SIZE
123456789012.dkr.ecr.ap-northeast-1.amazonaws.com/jaws-days-2022/container-hands-on latest 31879637952a About a minute ago 414MB
■認証トークンを取得し、レジストリに対して Docker クライアントを認証します
cmd
aws ecr get-login-password \
--region ap-northeast-1 | \
docker login \
--username AWS \
--password-stdin `echo ${AccountID}`.dkr.ecr.ap-northeast-1.amazonaws.com
result
WARNING! Your password will be stored unencrypted in /home/ec2-user/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
■Docker ImageをECRにPush
- Cloud9で作成したイメージをECRに格納します
cmd
docker push \
${AccountID}.dkr.ecr.ap-northeast-1.amazonaws.com/jaws-days-2022/container-hands-on:latest
result
The push refers to repository [123456789012.dkr.ecr.ap-northeast-1.amazonaws.com/jaws-days-2022/container-hands-on]
3d025b51ca1a: Pushed
536365481ed8: Pushed
4b3693c51878: Pushed
677c3ce9f0b4: Pushed
c08f4d9c281b: Pushed
ed13170590f7: Pushed
37cbdda31557: Pushed
9691e5d7a4c7: Pushed
6a4d393f0795: Pushed
e38834ac7561: Pushed
ec64f555d498: Pushed
840f3f414cf6: Pushed
17fce12edef0: Pushed
831c5620387f: Pushed
latest: digest: sha256:385537de56b405bf07d5218a21eb9160bf023021713bbe05582cd9a2d7365ce5 size: 3242