Add a demo script to exemplify the blogpost

api_template.yaml

@@ -0,0 +1,37 @@
+AWSTemplateFormatVersion: 2010-09-09
+Resources:
+  TestApi:
+    Type: 'AWS::ApiGateway::RestApi'
+    Properties:
+      Name: viesure-blog-gateway
+  ApiDeployment:
+    Type: 'AWS::ApiGateway::Deployment'
+    DependsOn: ApiRequest
+    Properties:
+      RestApiId:
+        Ref: TestApi
+      StageName: test
+  ApiResource:
+    Type: 'AWS::ApiGateway::Resource'
+    Properties:
+      RestApiId:
+        Ref: TestApi
+      ParentId: !GetAtt TestApi.RootResourceId
+      PathPart: helloworld
+  ApiRequest:
+    Type: 'AWS::ApiGateway::Method'
+    Properties:
+      AuthorizationType: NONE
+      HttpMethod: GET
+      Integration:
+        Type: MOCK
+        RequestTemplates:
+          application/json: "{\n    \"statusCode\": 200\n}"
+        IntegrationResponses:
+          - StatusCode: 200
+      MethodResponses:
+        - StatusCode: 200
+      ResourceId:
+        Ref: ApiResource
+      RestApiId:
+        Ref: TestApi

script.sh

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+#!/bin/bash
+
+###########################
+#  Account ID and Region  #
+###########################
+
+# get current AWS Account ID
+ACCOUNT_ID=$(aws sts get-caller-identity --query 'Account' --output text)
+# get current AWS REGION to use in URLs
+REGION=$(aws configure get region)
+
+echo "Your account ID is ${ACCOUNT_ID}"
+echo "Your region is ${REGION}"
+echo ""
+
+###########################
+#  REST Gateway Endpoint  #
+###########################
+echo "Creating Gateway for test..."
+STACKNAME=viesure-blog-gateway
+aws cloudformation deploy --template-file api_template.yaml --stack-name ${STACKNAME}
+# Wait for the Gateway to be available.
+# This may take a while since the wait command only checks every 30s
+aws cloudformation wait stack-create-complete --stack-name ${STACKNAME}
+
+REST_API_ID=$(aws apigateway get-rest-apis --query 'items[?name==`viesure-blog-gateway`].id' --output text)
+STAGE=test
+API_URL=https://${REST_API_ID}.execute-api.${REGION}.amazonaws.com/${STAGE}
+echo "Your API URL is ${API_URL}"
+ENDPOINT=${API_URL}/helloworld
+echo "calling the endpoint ${ENDPOINT}"
+if curl --fail ${ENDPOINT} ; then
+  echo "Successfully called API!"
+else
+  echo "Failed to call API"
+fi
+
+echo "Deleting gateway..."
+aws cloudformation delete-stack --stack-name ${STACKNAME}
+echo ""
+
+####################################
+#  Elastic Container Registry URL  #
+####################################
+echo "Creating ECR repository for test..."
+REPOSITORY=viesure-blog-repository
+# we could use the output of create-repository too... but that'd defeat the purpose of the demonstration ;)
+aws ecr create-repository --repository-name ${REPOSITORY} > /dev/null
+ECR_URL_CONSTRUCTED=${ACCOUNT_ID}.dkr.ecr.${REGION}.amazonaws.com/${REPOSITORY}
+ECR_URL_QUERIED=$(aws ecr describe-repositories --repository-names ${REPOSITORY} --query 'repositories[*].repositoryUri' --output text)
+echo "Constructed ECR URL: ${ECR_URL_CONSTRUCTED}"
+echo "Constructed ECR URL: ${ECR_URL_QUERIED}"
+
+echo "Deleting repository..."
+aws ecr delete-repository --repository-name ${REPOSITORY} > /dev/null