Add buildpec for codebuild

buildspec.production.yml

@@ -0,0 +1,20 @@
+version: 0.2
+
+phases:
+  pre_build:
+    commands:
+      #- echo Logging in to docker hub...
+      - docker login -u $DOCKER_LOGIN_USERNAME -p $DOCKER_LOGIN_PASSWORD
+  build:
+    commands:
+      - echo Build started on `date`
+      - echo Building the Docker image...
+      - docker pull $IMAGE_REPO_NAME:$IMAGE_TAG || true
+      - docker build . -f ./Dockerfile -t $IMAGE_REPO_NAME:$IMAGE_TAG --cache-from $IMAGE_REPO_NAME:$IMAGE_TAG
+      - docker tag $IMAGE_REPO_NAME:$IMAGE_TAG $IMAGE_REPO_NAME:$IMAGE_TAG
+      - printenv
+  post_build:
+    commands:
+      - echo Build completed on `date`
+      - echo Pushing the Docker image...
+      - docker push $IMAGE_REPO_NAME:$IMAGE_TAG