docker: local creds server

Step1: pull credentials from cyberark vault and add end point details from cloudformation output. (in jenkins)

Step2: Create json with above info. (in jenkins)

Step3: Jenkins job comprising of below steps:
a. move above json to http document root.
b. start apache server with access locally limited.

Step4: Docker file needs to comprise of below actions
a. yum install curl jq
b. curl -s http://some-endpoint/some.json | jq  --raw-output '.dev.frontend.password'

Step5: Jenkins "create-docker-image-xyz" to perform below steps:
a. create image based on above docker file.
c. trigger cleanup job:
i. stop apache.
ii. remove json

* We can even encrypt the passwords as well.

Here is the sample json file:

{
  "dev" : {
    "frontend" : {
      "username" : "xyz",
      "password" : "somepass"
    },
    "backend" : {
      "username" : "xyz",
      "password" : "somepass"
    }
  },
  "stage" : {
    "frontend" : {
      "username" : "xyz",
      "password" : "somepass"
    },
    "backend" : {
      "username" : "xyz",
      "password" : "somepass"
    },
    "worker" : {
      "username" : "xyz",
      "password" : "somepass"
    }
  },
  "prod" : {
    "frontend" : {
      "username" : "xyz",
      "password" : "somepass"
    },
    "backend" : {
      "username" : "xyz",
      "password" : "somepass"
    }
  }

}