해당 자료는 사내 교육용으로 제작된 자료입니다.
자료 사용시 출처 부탁 드려요.
목차
- Deploying Applications From Images
- Deploying Applications From Source
- Deploying Applications From Template
Deploying Applications From Images
이번 Lab 은 Container Image 로 생성된 App 을 배포 하도록 하겠습니다.
Django WebApp 배포
Web Console 로
developer계정으로 로그인합니다.
- 새로운 Project 를 생성합니다.
openshiftkatacoda/blog-django-pyDjango WebApp 를 배포합니다.- Copy to Paste :
openshiftkatacoda/blog-django-py
배포 완료!
CLI 로 배포
$ oc login -u developer
$ oc project django-project
$ oc new-app openshiftkatacoda/blog-django-py --name blog-from-image
$ oc expose svc/blog-from-image
$ oc get all
NAME READY STATUS RESTARTS AGE
pod/blog-django-py-6b787ccc9f-hl7tk 1/1 Running 0 16m
pod/blog-from-image-1-74snj 1/1 Running 0 41s
pod/blog-from-image-1-deploy 0/1 Completed 0 45s
NAME DESIRED CURRENT READY AGE
replicationcontroller/blog-from-image-1 1 1 1 45s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/blog-django-py ClusterIP 172.30.139.80 <none> 8080/TCP 16m
service/blog-from-image ClusterIP 172.30.210.95 <none> 8080/TCP 48s
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/blog-django-py 1/1 1 1 16m
NAME DESIRED CURRENT READY AGE
replicaset.apps/blog-django-py-6b787ccc9f 1 1 1 16m
replicaset.apps/blog-django-py-6f84ff6b79 0 0 0 16m
NAME REVISION DESIRED CURRENT TRIGGERED BY
deploymentconfig.apps.openshift.io/blog-from-image 1 1 1 config,image(blog-from-image:latest)
NAME IMAGE REPOSITORY TAGS UPDATED
imagestream.image.openshift.io/blog-django-py image-registry.openshift-image-registry.svc:5000/django-project/blog-django-py latest 16 minutes ago
imagestream.image.openshift.io/blog-from-image image-registry.openshift-image-registry.svc:5000/django-project/blog-from-image latest 46 seconds ago
NAME HOST/PORT PATH SERVICES PORT TERMINATION WILDCARD
route.route.openshift.io/blog-django-py blog-django-py-django-project.apps.ocp.chhan.com blog-django-py 8080-tcp None
route.route.openshift.io/blog-from-image blog-from-image-django-project.apps.ocp.chhan.com blog-from-image 8080-tcp None
간단한 Container Image 를 Build 해봅시다.
- 참고 자료 : Best practices for writing Dockerfiles
FROM httpd:2.4 COPY index.html /usr/local/apache2/htdocs/ EXPOSE 80
해당 경로에는 Dockerfile 및 index.html 파일이 필요합니다.
Build
$ docker build -t han0495/sample-httpd .
Sending build context to Docker daemon 3.072kB
Step 1/3 : FROM httpd:2.4
2.4: Pulling from library/httpd
afb6ec6fdc1c: Pull complete
5a6b409207a3: Pull complete
41e5e22239e2: Pull complete
9829f70a6a6b: Pull complete
3cd774fea202: Pull complete
Digest: sha256:db9c3bca36edb5d961d70f83b13e65e552641e00a7eb80bf435cbe9912afcb1f
Status: Downloaded newer image for httpd:2.4
---> d4e60c8eb27a
Step 2/3 : COPY index.html /usr/local/apache2/htdocs/
---> caf363ed04d9
Step 3/3 : EXPOSE 80
---> Running in d2052322cca7
Removing intermediate container d2052322cca7
---> bf4d56b96457
Successfully built bf4d56b96457
Successfully tagged han0495/sample-httpd:latest
Push
$ docker login
$ docker push <DockerHub 계정>/sample-httpd
Deploy
배포에 문제가 생기는 경우, SCC 를 확인합니다.