fixed dockerfile to use python 3.8

Author: Chandrashekar

.gitignore

@@ -1,3 +1,4 @@
 functions/packages
 .idea
-.DS_Store
+.DS_Store
+taskcat_outputs

functions/source/CreateSSHKey/Dockerfile

@@ -1,9 +1,9 @@
-FROM lambci/lambda:build-python3.7
+FROM lambci/lambda:build-python3.8
 
 COPY . .
 
 RUN mkdir -p python/ && \
-    pip install -t python/ -r ./requirements.txt && \
+    pip install -t ./ -r ./requirements.txt && \
     find . -name "*.dist-info"  -exec rm -rf {} \; | true && \
     find . -name "*.egg-info"  -exec rm -rf {} \; | true && \
     find . -name "*.pth"  -exec rm -rf {} \; | true && \

templates/git2s3.template.yaml

@@ -144,7 +144,6 @@ Resources:
         - functions/packages/CreateSSHKey/lambda.zip
         - functions/packages/DeleteBucketContents/lambda.zip
         - functions/packages/GitPullS3/lambda.zip
-        - functions/packages/CustomActionLambda/lambda.zip
 
   CopyZipsRole:
     Type: AWS::IAM::Role
@@ -383,10 +382,10 @@ Resources:
     Type: AWS::Lambda::Function
     Properties:
       Handler: lambda_function.lambda_handler
-      MemorySize: '128'
+      MemorySize: 128
       Role: !GetAtt 'CreateSSHKeyRole.Arn'
       Runtime: python3.8
-      Timeout: '300'
+      Timeout: 300
       Code:
         S3Bucket: !Ref 'LambdaZipsBucket'
         S3Key: !Sub '${QSS3KeyPrefix}functions/packages/CreateSSHKey/lambda.zip'
@@ -451,10 +450,10 @@ Resources:
     Type: AWS::Lambda::Function
     Properties:
       Handler: lambda_function.lambda_handler
-      MemorySize: '128'
+      MemorySize: 128
       Role: !GetAtt 'DeleteBucketContentsRole.Arn'
       Runtime: python3.8
-      Timeout: '300'
+      Timeout: 300
       Code:
         S3Bucket: !Ref 'LambdaZipsBucket'
         S3Key: !Sub '${QSS3KeyPrefix}functions/packages/DeleteBucketContents/lambda.zip'
@@ -693,10 +692,10 @@ Resources:
     Type: AWS::Lambda::Function
     Properties:
       Handler: lambda_function.lambda_handler
-      MemorySize: '128'
+      MemorySize: 128
       Role: !GetAtt 'GitPullRole.Arn'
       Runtime: python3.8
-      Timeout: '900'
+      Timeout: 900
       VpcConfig: !If
         - ShouldRunInVPC
         - SecurityGroupIds: