first docker container in AWS Cloud9

Written for AWS CLI

To Updgrade CLI and verify:
 curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
 unzip awscliv2.zip
 sudo ./aws/install
 . ~/.bashrc 
 aws --version

Source code needed:
 wget https://aws-tc-largeobjects.s3.us-west-2.amazonaws.com/DEV-AWS-MO-ContainersRedux/downloads/containers-src.zip
 unzip containers-src.zip

Change to cloud9 containers role:
 export ASSOC_ID="`aws ec2 describe-iam-instance-profile-associations | grep AssociationId | cut -f2- -d: | tr -d ',' | xargs`"
 aws ec2 replace-iam-instance-profile-association --iam-instance-profile Name=cloud9-containers-role --association-id $ASSOC_ID

Disable managed credentials and change to cloud9 ones/from Cloudformation:
 aws cloud9 update-environment  --environment-id $C9_PID --managed-credentials-action DISABLE

Change directory:
 cd first-container/
 
Inspect dockerfile, create container image:
 docker build -t first-container .

View docker images:
 docker image ls

From this list, see app running at Port 8080 and publish to your cloud9 instance, make first-container available on port 8080:
 docker run -d -p 8080:8080 --name webapp first-container

To view running docker containers:
 docker ps

To view container logs:
 docker logs webapp

Now you should be viewing in browser
Select "preview" from top of cloud9 page, then "preview running application"
Use this command to launch a shell inside the container:
 docker exec -it webapp /bin/sh

To view contents of /app folder and its file(s):
 ls /app
 cat /app/input.txt

View process list:
 ps -a

Ctrl+D to escape container
To stop/remove the running container:
 docker stop webapp
 docker rm webapp