chore: some minor fix (#1)

Fixes #

.projenrc.js

@@ -6,6 +6,7 @@ const project = new AwsCdkTypeScriptApp({
   // projenVersion: '^0.24.12',
   cdkDependencies: [
     /* Which AWS CDK modules (those that start with "@aws-cdk/") this app uses. */
+    '@aws-cdk/aws-ec2',
     '@aws-cdk/aws-ecs',
     '@aws-cdk/aws-ecs-patterns',
   ],

src/app/Dockerfile

@@ -1,5 +1,8 @@
 FROM node:14-slim as builder
 
+RUN mkdir /app && \
+    chown node /app
+
 USER node
 
 WORKDIR /app
@@ -15,6 +18,9 @@ RUN yarn build
 
 FROM node:14-slim
 
+RUN mkdir /app && \
+    chown node /app
+
 USER node
 
 WORKDIR /app
@@ -30,6 +36,6 @@ RUN yarn --production \
 
 COPY --from=builder /app/lib /app/lib
 
-EXPOSE 80
+EXPOSE 8080
 
 CMD ["node_modules/.bin/pm2-runtime", "/app/lib/index.js"]

src/app/src/config.ts

@@ -1,3 +1,3 @@
 export default {
-  port: 80,
+  port: 8080,
 };

src/main.ts

@@ -1,4 +1,5 @@
 import * as path from 'path';
+import * as ec2 from '@aws-cdk/aws-ec2';
 import * as ecs from '@aws-cdk/aws-ecs';
 import * as ecsPatterns from '@aws-cdk/aws-ecs-patterns';
 import { App, Construct, Stack, StackProps } from '@aws-cdk/core';
@@ -8,12 +9,18 @@ export class ImageHandlerStack extends Stack {
   constructor(scope: Construct, id: string, props: StackProps = {}) {
     super(scope, id, props);
 
+    const cluster = new ecs.Cluster(this, 'Cluster', {
+      vpc: getOrCreateVpc(this),
+    });
+
     const loadBalancedFargateService = new ecsPatterns.ApplicationLoadBalancedFargateService(this, 'Service', {
       memoryLimitMiB: 1024,
       cpu: 512,
+      cluster,
       desiredCount: 2,
       taskImageOptions: {
         image: ecs.ContainerImage.fromAsset(path.join(__dirname, 'app')),
+        containerPort: 8080,
       },
     });
 
@@ -25,11 +32,20 @@ export class ImageHandlerStack extends Stack {
 
 const env = {
   account: process.env.CDK_DEFAULT_ACCOUNT,
-  region: 'us-west-2',
+  region: process.env.CDK_DEFAULT_REGION || 'us-west-2',
 };
 
 const app = new App();
 
 new ImageHandlerStack(app, 'cdk-image-handler', { env });
 
-app.synth();
+app.synth();
+
+function getOrCreateVpc(scope: Construct): ec2.IVpc {
+  // use an existing vpc or create a new one
+  return scope.node.tryGetContext('use_default_vpc') === '1'
+    || process.env.CDK_USE_DEFAULT_VPC === '1' ? ec2.Vpc.fromLookup(scope, 'Vpc', { isDefault: true }) :
+    scope.node.tryGetContext('use_vpc_id') ?
+      ec2.Vpc.fromLookup(scope, 'Vpc', { vpcId: scope.node.tryGetContext('use_vpc_id') }) :
+      new ec2.Vpc(scope, 'Vpc', { maxAzs: 3, natGateways: 1 });
+}