fix params and update build image

Author: Xiang Shen

app/server.rb

@@ -2,7 +2,7 @@
 require 'aws-record'
 
 before do
- unless request.body.read.empty? || request.body.size > 0
+ if (! request.body.read.empty? and request.body.size > 0)
  request.body.rewind
  @params = Sinatra::IndifferentHash.new
  @params.merge!(JSON.parse(request.body.read))

buildspec.yml

@@ -4,7 +4,7 @@ phases:
  install:
  commands:
  # Upgrade AWS CLI to the latest version
- - pip install --upgrade awscli
+ - pip3 install awscli --upgrade --user
 
  # Install Ruby dependencies from the Gemfile.
  - bundle install --deployment

pipeline-cfn.yaml

@@ -32,8 +32,8 @@ Parameters:
  ConstraintDescription: You must enter a GitHub username or organization
  CodeBuildImage:
  Type: String
- Default: aws/codebuild/ruby:2.5.1
- Description: Default AWS CodeBuild Ruby 2.5.1 image
+ Default: aws/codebuild/ruby:2.5.3
+ Description: Default AWS CodeBuild Ruby 2.5.3 image
  MinLength: 3
  MaxLength: 100
  ConstraintDescription: You must enter a CodeBuild image
@@ -280,4 +280,4 @@ Resources:
  StackName: "serverless-sinatra-stack"
  ActionMode: CHANGE_SET_EXECUTE
  ChangeSetName: pipeline-changeset
- RunOrder: 2
+ RunOrder: 2