feat(codebuild): rename standard 1.0 image and add standard 2.0 image (…

…#2541)

Fixes #2306

packages/@aws-cdk/aws-codebuild/lib/project.ts

@@ -629,7 +629,7 @@ export class Project extends ProjectBase {
  props.cacheBucket.grantReadWrite(this.role);
  }
 
- this.buildImage = (props.environment && props.environment.buildImage) || LinuxBuildImage.UBUNTU_18_04_STANDARD_1_0;
+ this.buildImage = (props.environment && props.environment.buildImage) || LinuxBuildImage.STANDARD_1_0;
 
  // let source "bind" to the project. this usually involves granting permissions
  // for the code build role to interact with the source.
@@ -951,7 +951,7 @@ export interface BuildEnvironment {
  /**
  * The image used for the builds.
  *
- * @default LinuxBuildImage.UBUNTU_18_04_STANDARD_1_0
+ * @default LinuxBuildImage.STANDARD_1_0
  */
  readonly buildImage?: IBuildImage;
 
@@ -1033,7 +1033,8 @@ export interface IBuildImage {
  * @see https://docs.aws.amazon.com/codebuild/latest/userguide/build-env-ref-available.html
  */
 export class LinuxBuildImage implements IBuildImage {
- public static readonly UBUNTU_18_04_STANDARD_1_0 = new LinuxBuildImage('aws/codebuild/standard:1.0');
+ public static readonly STANDARD_1_0 = new LinuxBuildImage('aws/codebuild/standard:1.0');
+ public static readonly STANDARD_2_0 = new LinuxBuildImage('aws/codebuild/standard:2.0');
  public static readonly UBUNTU_14_04_BASE = new LinuxBuildImage('aws/codebuild/ubuntu-base:14.04');
  public static readonly UBUNTU_14_04_ANDROID_JAVA8_24_4_1 = new LinuxBuildImage('aws/codebuild/android-java-8:24.4.1');
  public static readonly UBUNTU_14_04_ANDROID_JAVA8_26_1_1 = new LinuxBuildImage('aws/codebuild/android-java-8:26.1.1');