Add jenkins to build + run tests (#37)

Jenkinsfile has 2 stages to build and run unit tests.

Jenkinsfile

@@ -0,0 +1,26 @@
+pipeline {
+  agent {
+    label 'builder-backend-j8'
+  }
+
+  stages {
+    stage("Build") {
+      steps {
+        dir(".") {
+    	    script {
+            sh "ls && pwd && echo $PWD && docker run --rm -v \$(pwd):/usr/src/myapp -w /usr/src/myapp golang:1.13 make build"
+          } 
+        }
+      }
+    }
+    stage("Tests") {
+      steps {
+        dir(".") {
+	        script {
+            sh "docker run --rm -v \$(pwd):/usr/src/myapp -w /usr/src/myapp golang:1.13 go test ./..."
+          } 
+        }
+      }
+    }
+  }
+}

scripts/build

@@ -2,9 +2,6 @@
 
 set -eux
 
-# run unit test before build
-go test ./...
-
 export GO111MODULE=on
 
 $GOPATH/bin/goimports -w $(find . -type f -name '*.go' -not -path "./vendor/*") || true