ci: Changes jenkins pod to use prebuilt poetry

Jenkinsfile

@@ -12,17 +12,11 @@ pipeline {
 		parallelsAlwaysFailFast()
 	}
 
-	environment {
-		POETRY_HOME="/opt/poetry"
-		POETRY_VERSION="1.1.12"
-	}
-
 	stages {
 		stage('Build') {
 			steps {
 				echo 'Building...'
 				sh 'python --version'
-				sh 'curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python'
 				sh '${POETRY_HOME}/bin/poetry --version'
 				sh '${POETRY_HOME}/bin/poetry install'
 			}

jenkins/ci-agent-pod.yaml

@@ -1,9 +1,11 @@
 apiVersion: v1
 kind: Pod
 spec:
+  imagePullSecrets:
+    - name: regcreds
   containers:  # list of containers that you want present for your build, you can define a default container in the Jenkinsfile
-    - name: python
-      image: python:3.8
+    - name: poetry
+      image: ghcr.io/dmallubhotla/poetry-image:1
       command: ["tail", "-f", "/dev/null"]  # this or any command that is bascially a noop is required, this is so that you don't overwrite the entrypoint of the base container
       imagePullPolicy: Always # use cache or pull image for agent
       resources:  # limits the resources your build contaienr