title: what is wrong in my dockerfile it does not copy my s3 bucket file
body: <pre><code>FROM ubuntu 
  ENV AWS_ACCESS_KEY_ID=xxx
  ENV AWS_SECRET_ACCESS_KEY=xxx/8fMox8eNWTY51
  ENV AWS_DEFAULT_REGION=us-west-2
  RUN apt-get update &amp;&amp; apt-get install -y awscli
  
  ADD main.sh /main.sh
  RUN chmod +x /main.sh
  RUN /main.sh
  
  
  #!/bin/bash
  
  
  
   docker login --username=xxx--password=12xxxx
   docker pull mariadb
   docker pull mysql
  
  
   # you can also write the credentials into the awscli configuration file. 
  aws configure set aws_access_key_id $AWS_ACCESS_KEY_ID
  aws configure set aws_secret_access_key $AWS_SECRET_ACCESS_KEY 
  aws configure set AWS_DEFAULT_REGION $AWS_DEFAULT_REGION
  
  
  aws s3 cp s3://mariadbs3bucket/test4.txt /test 
  
   mysql -u sathish  -pxx --host testmariadb.ci9m4obirg2u.us-west-2.rds.amazonaws.com -P 3306  --socket=TCP/IP  -e "USE myDB; insert into myDB.TestTable values(50000);"
  </code></pre>
  
  <p>My s3 cp commnad is not working 
  and Mysql command is not working its giving error . is there any mistake in my docker file . or docker does not identify my env variable ? 
  can you please help me </p>