few fixes for container crash

Dockerfile

@@ -55,8 +55,8 @@ RUN latest_release=$(curl -s https://api.github.com/repos/jenkinsci/plugin-insta
     curl -fsSL "${download_url}" -o $JENKINS_HOME/jenkins-plugin-manager.jar
 # copy plugins.yaml file for installing plugins using jenkins cli
 COPY plugins.yaml ${JENKINS_HOME}/plugins.yaml
-# Copy user.groovy to /usr/share/jenkins/ref/init.groovy.d/ where will setup the default admin user and password:
-COPY user.groovy /usr/share/jenkins/ref/init.groovy.d/
+# Copy user.groovy,number_of_executors.groovy  to /usr/share/jenkins/ref/init.groovy.d/ where jenkins init scripts will run
+COPY *.groovy /usr/share/jenkins/ref/init.groovy.d/
 # Configuration as code and set as a environment variable
 COPY ./config-as-code.yaml $JENKINS_HOME/config-as-code.yaml
 ENV CASC_JENKINS_CONFIG=$JENKINS_HOME/config-as-code.yaml

config-as-code.yaml

@@ -8,31 +8,4 @@ credentials:
             id: "${GITHUB_APP_ID}"
             privateKey: "${GITHUB_APP_KEY}"
 
-
-# Providing default permission for users through `authenticated` group that can login to jenkins
-jenkins:
-# setting basic nuqmber of job executors in jenkins master as 6
-  numExecutors: 6
-  authorizationStrategy:
-    globalMatrix:
-      entries:
-      - group:
-        name: "authenticated"
-        permissions:
-          - "Agent/Build"
-          - "Agent/Configure"
-          - "Agent/Create"
-          - "Credentials/Create"
-          - "Credentials/Update"
-          - "Credentials/View"
-          - "Job/Build"
-          - "Job/Cancel"
-          - "Job/Configure"
-          - "Job/Create"
-          - "Job/Move"
-          - "Job/Read"
-          - "Overall/Read"
-          - "View/Configure"
-          - "View/Create"
-          - "View/Read"
 # ref https://www.roger.ml/p/jenkins-ci-github-app-authentication

number_of_executors.groovy

@@ -0,0 +1,13 @@
+import jenkins.model.Jenkins
+
+// parameter to tweak default number of executors
+Integer numberOfExecutors = 6
+
+// get Jenkins instance
+def jenkins = Jenkins.getInstance()
+
+// set the number of slaves
+jenkins.setNumExecutors(numberOfExecutors)
+
+// save current Jenkins state to disk
+jenkins.save()

user.groovy

@@ -14,6 +14,7 @@ if(!(jenkins.getAuthorizationStrategy() instanceof GlobalMatrixAuthorizationStra
 
 def user = jenkins.getSecurityRealm().createAccount(env.JENKINS_USER, env.JENKINS_PASS)
 user.save()
+// provide admin access to jenkins_user which is passed by user
 jenkins.getAuthorizationStrategy().add(Jenkins.ADMINISTER, env.JENKINS_USER)
 
 jenkins.save()