alexamies · October 5, 2018 22:26 · Oct 5, 2018 · Sep 18, 2018 · Sep 18, 2018
diff --git a/A-README.md → README.md b/A-README.md → README.md
diff --git a/a-README.md → A-README.md b/a-README.md → A-README.md
@@ -9,7 +9,7 @@ docker build -t eslint .
 docker run -w /app eslint
 ```
 
-To run with Cloud Build run
+To run with Cloud Build use the command
 ```
 gcloud builds submit . --config=cloudbuild.yaml
 ```

diff --git a/.eslintrc.json b/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+    "extends": "google"
+}
diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,7 @@
+FROM node:10.10.0
+
+RUN mkdir /app
+COPY *.js /app/
+COPY *.json /app/
+RUN npm install -g eslint eslint-config-google
+CMD ["/usr/local/bin/npm", "run", "lint"]
diff --git a/a-README.md b/a-README.md
@@ -0,0 +1,32 @@
+# Cloud Builder JavaScript Lint Example
+This example demonstrates the use of [Cloud
+Build](https://cloud.google.com/cloud-build/docs/)
+to do style checking with [eslint](https://eslint.org/).
+
+To build and run manually with Docker run
+```
+docker build -t eslint .
+docker run -w /app eslint
+```
+
+To run with Cloud Build run
+```
+gcloud builds submit . --config=cloudbuild.yaml
+```
+
+You will see that there are several style errors reported for the the sum.js
+file, including . Edit sum.js to be like this:
+
+```
+/**
+ * Add two numbers together
+ * @param {number} a - The first operand
+ * @param {number} b - The second operand
+ * @return {number} The sum of the two operands
+ */
+function sum(a, b) {
+  return a + b;
+}
+console.log('1 + 1 = ' + sum(1, 1));
+```
+Then run cloud build again. It should succeed this time.
diff --git a/cloudbuild.yaml b/cloudbuild.yaml
@@ -0,0 +1,5 @@
+steps:
+- name: 'gcr.io/cloud-builders/docker'
+  args: [ 'build', '-t', 'gcr.io/$PROJECT_ID/eslint', '.' ]
+- name: gcr.io/cloud-builders/docker
+  args: ['run', '-w', '/app', 'gcr.io/$PROJECT_ID/eslint']
diff --git a/package.json b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "javascript",
+  "version": "1.0.0",
+  "description": "",
+  "main": "sum.js",
+  "scripts": {
+    "lint":"eslint ."
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "eslint": "^5.5.0",
+    "eslint-config-google": "^0.10.0"
+  }
+}
diff --git a/sum.js b/sum.js
@@ -0,0 +1,4 @@
+function sum(a, b) {
+  sum = a + b
+  return sum
+}
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