diff --git a/first-class-pipeline/src/com/freeleaps/devops/EnvironmentVars.groovy b/first-class-pipeline/src/com/freeleaps/devops/EnvironmentVars.groovy
new file mode 100644
index 00000000..45af367d
--- /dev/null
+++ b/first-class-pipeline/src/com/freeleaps/devops/EnvironmentVars.groovy
@@ -0,0 +1,38 @@
+package com.freeleaps.devops
+
+import com.freeleaps.devops.enums.ServiceLanguage
+
+class EnvironmentVars {
+  def steps
+
+  EnvironmentVars(steps) {
+    this.steps = steps
+  }
+
+  def injectVars(Map configurations) {
+    steps.env.SERVICE_NAME = "${configurations.SERVICE_NAME}"
+    if (steps.env.SERVICE_NAME == null || steps.env.SERVICE_NAME.isEmpty()) {
+      steps.error("SERVICE_NAME is required")
+    }
+
+    steps.env.SERVICE_LANG = ServiceLanguage.parse("${configurations.SERVICE_LANG}")
+    if (steps.env.SERVICE_LANG == ServiceLanguage.UNKNOWN) {
+      steps.error("Unknown service language: ${configurations.SERVICE_LANG}")
+    }
+
+    steps.env.SERVICE_GIT_REPO = "${configurations.SERVICE_GIT_REPO}"
+    if (steps.env.SERVICE_GIT_REPO == null || steps.env.SERVICE_GIT_REPO.isEmpty()) {
+      steps.error("SERVICE_GIT_REPO is required")
+    }
+
+    steps.env.SERVICE_GIT_BRANCH = "${configurations.SERVICE_GIT_BRANCH}"
+    if (steps.env.SERVICE_GIT_BRANCH == null || steps.env.SERVICE_GIT_BRANCH.isEmpty()) {
+      steps.error("SERVICE_GIT_BRANCH is required")
+    }
+
+    steps.env.ENVIRONMENT_SLUG = "${configurations.ENVIRONMENT_SLUG}"
+    if (steps.env.ENVIRONMENT_SLUG == null || steps.env.ENVIRONMENT_SLUG.isEmpty()) {
+      steps.error("ENVIRONMENT_SLUG is required")
+    }
+  }
+}
\ No newline at end of file
diff --git a/first-class-pipeline/src/com/freeleaps/devops/SourceFetcher.groovy b/first-class-pipeline/src/com/freeleaps/devops/SourceFetcher.groovy
new file mode 100644
index 00000000..74b764ec
--- /dev/null
+++ b/first-class-pipeline/src/com/freeleaps/devops/SourceFetcher.groovy
@@ -0,0 +1,13 @@
+package com.freeleaps.devops
+
+class SourceFetcher {
+  def steps
+
+  SourceFetcher(steps) {
+    this.steps = steps
+  }
+
+  def fetch(config) {
+    // TODO: Implement me!
+  }
+}
\ No newline at end of file
diff --git a/first-class-pipeline/src/com/freeleaps/devops/enums/ServiceLanguage.groovy b/first-class-pipeline/src/com/freeleaps/devops/enums/ServiceLanguage.groovy
new file mode 100644
index 00000000..9daeb91e
--- /dev/null
+++ b/first-class-pipeline/src/com/freeleaps/devops/enums/ServiceLanguage.groovy
@@ -0,0 +1,27 @@
+package com.freeleaps.devops.enums
+
+@CompileStatic
+enum ServiceLanguage {
+
+  PYTHON('Python'),
+  NODE('Node (JS,TS)'),
+  UNKNOWN('Unknown')
+
+  final String language
+
+  ServiceLanguage(String language) {
+    this.language = language
+  }
+
+  ServiceLanguage parse(String language) {
+    switch (language) {
+      case 'Python':
+        return PYTHON
+      case 'Node (JS,TS)':
+        return NODE
+      default:
+        return Unknown
+    }
+  }
+
+}
diff --git a/first-class-pipeline/tests/Jenkinsfile b/first-class-pipeline/tests/Jenkinsfile
new file mode 100644
index 00000000..092f95c2
--- /dev/null
+++ b/first-class-pipeline/tests/Jenkinsfile
@@ -0,0 +1,6 @@
+#!groovy
+
+library 'first-class-pipeline'
+  def configurations = [:]
+
+pipelineCall(configurations)
\ No newline at end of file
diff --git a/first-class-pipeline/vars/pipelineCall.groovy b/first-class-pipeline/vars/pipelineCall.groovy
new file mode 100644
index 00000000..7c681406
--- /dev/null
+++ b/first-class-pipeline/vars/pipelineCall.groovy
@@ -0,0 +1,51 @@
+#!groovy
+
+import com.freeleaps.devops.EnvironmentVars
+import com.freeleaps.devops.SourceFetcher
+
+def call(Map configurations) {
+  def environmentVars = new EnvironmentVars(this)
+
+  pipeline {
+    agent any
+    options {
+      buildDiscarder(logRotator(numToKeepStr: '25'))
+      timeout(time: 30, unit: 'MINUTES')
+      ansiColor('xterm')
+      timestamps()
+    }
+
+    stages {
+
+      stage("Source Codes Checkout") {
+        steps {
+          scripts {
+            var sourceFetcher = new SourceFetcher(this)
+            sourceFetcher.fetch(configurations)
+          }
+        }
+      }
+
+      stage("Prepared Environment Variables") {
+        steps {
+          script {
+            environmentVars.injectVars(configurations)
+          }
+        }
+      }
+
+      stage("Commit Linting If Enabled") {
+        steps {
+          scripts {
+            enabled = "${configurations.COMMIT_MESSAGE_LINT_ENABLED}"
+            
+            if (enabled == "true") {
+              print("Commit Linting is enabled")
+            }
+          }
+        }
+      }
+
+    }
+  }
+}
\ No newline at end of file