Nexus Maven repository setup in AWS

nexus.txt

Nexus setup
https://medium.com/@betz.mark/ten-tips-for-debugging-docker-containers-cde4da841a1d

https://github.com/sonatype/docker-nexus3

  
create cluster 
nexus-maven-repository-cluster 
use existing VPS, select any of the subnets, create a new security group
T2 small instance, VM requires 1.2GB
create a new nexus-maven-repository keypair

edit VPS security group, edit inbound rules, add SSH (22) TCP (6) 22 0.0.0.0/0
ssh into container, i.e. ec2-user@ec2-55-211-207-155.compute-1.amazonaws.com
sudo -s

Create and change nexus-data directory permissions!
https://stackoverflow.com/a/36408833
mkdir /nexus-data
chown -R 200:200 /nexus-data
 cd /var/lib/docker/containers/

create task
nexus-maven-repository-task

add volume - 
name nexus-maven-repository-data
no source path, let docker put it in /var/lib/docker/volumes


add container -
nexus-maven-repository-container
sonatype/nexus3
soft memory limit 1200 (from docker file)
host port 8081 container 8081 (no loadbalancing so don't set host to dynamic port value zero)
mount nexus-maven-repository-data nexus-data:/nexus-data
log json-file

save
create service
nexus-maven-repository-service
default task, no loadbalancer, no scaling

logging into running container:
docker exec -it "63d8" bash

docker cleanup
 docker rm $(docker ps -aq)
 docker rmi $(docker images -q)
 
 
 Re-running failed docker container
 https://stackoverflow.com/a/35387446
 
  docker ps -a
  docker commit 6934ada98de6
  sha256:7015687976a478e0e94b60fa496d319cdf4ec847bcd612aecf869a72336e6b83
  docker run -it 7015687976a4