[英]Passing environment variables to Docker containers
目前使用Elastic Beanstalk運行Docker容器,我需要將重要信息作為環境變量傳遞給我的容器。
我目前的Dockerrun.aws.json看起來像這樣:
{
"AWSEBDockerrunVersion": "1",
"Image": {
"Name": "b2boost/rabbitelasticdockstash",
"Update": "true"
},
"Ports": [
{
"ContainerPort": "80"
}
],
"environment": [
{
"name": "RABBITMQ_HOST",
"value": "RABBITMQ_HOST"
},
{
"name": "RABBITMQ_PASSWORD",
"value": "RABBITMQ_PASSWORD"
},
{
"name": "RABBITMQ_USER",
"value": "RABBITMQ_USER"
},
{
"name": "RABBITMQ_VHOST",
"value": "RABBITMQ_VHOST"
},
{
"name": "ELASTICSEARCH_HOST",
"value": "ELASTICSEARCH_HOST"
},
{
"name": "ELASTICSEARCH_PASSWORD",
"value": "ELASTICSEARCH_PASSWORD"
},
{
"name": "ELASTICSEARCH_PORT",
"value": "ELASTICSEARCH_PORT"
},
{
"name": "ELASTICSEARCH_PROTOCOL",
"value": "ELASTICSEARCH_PROTOCOL"
},
{
"name": "ELASTICSEARCH_USER",
"value": "ELASTICSEARCH_USER"
}
],
"Volumes": [
],
"Logging": "/var/log/eb-activity.log"
}
但這不起作用。 在SSH訪問我的beanstalk實例然后獲取環境變量的內容時,我可以看到它們沒有被初始化:
[ec2-user@myip ~]$ sudo docker exec goofy_curie env
PATH=/opt/logstash/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:bin
HOSTNAME=HOSTNAME
LANG=C.UTF-8
JAVA_VERSION=7u79
JAVA_DEBIAN_VERSION=7u79-2.5.5-1~deb8u1
LOGSTASH_MAJOR=1.5
LOGSTASH_VERSION=1:1.5.1-1
HOME=/root
如何在容器中設置環境變量? Dockerrun.aws.json似乎不適合我。
對於單個容器,Dockerrun.aws.json中不允許使用“environment”字段。
但是,您可以使用以下過程在.config文件中指定環境變量(有關詳細信息,請參閱文檔 ):
option_settings: - option_name: RABBITMQ_HOST value: RABBITMQ_HOST - option_name: RABBITMQ_PASSWORD value: RABBITMQ_PASSWORD - option_name: RABBITMQ_USER value: RABBITMQ_USER - option_name: RABBITMQ_VHOST value: RABBITMQ_VHOST - option_name: ELASTICSEARCH_HOST value: ELASTICSEARCH_HOST - option_name: ELASTICSEARCH_PASSWORD value: ELASTICSEARCH_PASSWORD - option_name: ELASTICSEARCH_PORT value: ELASTICSEARCH_PORT - option_name: ELASTICSEARCH_PROTOCOL value: ELASTICSEARCH_PROTOCOL - option_name: ELASTICSEARCH_USER value: ELASTICSEARCH_USER
另一種方式(圖形):
在beanstalk的配置中單擊修改 軟件卡。 在此頁面的底部,您可以填寫環境變量的名稱和值。
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