diff --git a/example-projects/counter-demo/aws-lambda-localstack/aws-mockup-credentials/config b/example-projects/counter-demo/aws-lambda-localstack/aws-mockup-credentials/config
new file mode 100644
index 0000000000000000000000000000000000000000..a8c11c6e8c4d1c305f6289c649a6a0c39f7e9932
--- /dev/null
+++ b/example-projects/counter-demo/aws-lambda-localstack/aws-mockup-credentials/config
@@ -0,0 +1,2 @@
+[default]
+region = us-east-1
diff --git a/example-projects/counter-demo/aws-lambda-localstack/aws-mockup-credentials/credentials b/example-projects/counter-demo/aws-lambda-localstack/aws-mockup-credentials/credentials
new file mode 100644
index 0000000000000000000000000000000000000000..a1738e61db916b366d0a4cad22a0964744eb007b
--- /dev/null
+++ b/example-projects/counter-demo/aws-lambda-localstack/aws-mockup-credentials/credentials
@@ -0,0 +1,3 @@
+[default]
+aws_access_key_id=test
+aws_secret_access_key=test
diff --git a/example-projects/counter-demo/aws-lambda-localstack/invoke-function.py b/example-projects/counter-demo/aws-lambda-localstack/invoke-function.py
new file mode 100644
index 0000000000000000000000000000000000000000..8f0a7a0448656400131cf976774c4a6d2091ae71
--- /dev/null
+++ b/example-projects/counter-demo/aws-lambda-localstack/invoke-function.py
@@ -0,0 +1,47 @@
+from datetime import date
+import json
+import boto3
+
+################################################################################################
+#
+# Configuration Parameters
+#
+################################################################################################
+
+endpoint_url = "http://localhost.localstack.cloud:4566"
+
+# region = 'eu-central-1'
+region = 'us-east-1'
+functionName = 'cloudcomp-counter-lambda-demo'
+
+
+################################################################################################
+#
+# boto3 code
+#
+################################################################################################
+
+
+client = boto3.setup_default_session(region_name=region)
+lClient = boto3.client('lambda', endpoint_url=endpoint_url)
+
+
+print("Invoking function...")
+print("------------------------------------")
+try:
+ response = lClient.invoke(
+ FunctionName=functionName,
+ Payload='{ "input": "1" }'
+ )
+except lClient.exceptions.ResourceNotFoundException:
+ print('Function not available.')
+
+streamingBody = response['Payload']
+result = streamingBody.read()
+jsonResult = json.loads(result)
+
+print(json.dumps(response, indent=4, sort_keys=True, default=str))
+
+print('Payload:\n' + str(result) + "\n")
+
+print("Counter is now at: " + jsonResult['headers']['x-hsfd-counter'])
diff --git a/example-projects/counter-demo/aws-lambda-localstack/lambda_function.py b/example-projects/counter-demo/aws-lambda-localstack/lambda_function.py
new file mode 100644
index 0000000000000000000000000000000000000000..a611d8b35cfd6a71ff90ce070eee544d32ed17b2
--- /dev/null
+++ b/example-projects/counter-demo/aws-lambda-localstack/lambda_function.py
@@ -0,0 +1,52 @@
+# import json
+import base64
+import os
+import boto3
+
+
+def lambda_handler(event, context):
+ print('## ENVIRONMENT VARIABLES')
+ print(os.environ)
+ print('## EVENT')
+ print(event)
+
+ globally_unique_s3_group_bucket_name = os.environ.get("bucketName")
+ print('Trying to access bucket: ' + globally_unique_s3_group_bucket_name)
+
+ s3_client = boto3.client('s3')
+ response = s3_client.get_object(Bucket=globally_unique_s3_group_bucket_name, Key='us-east-1')
+
+ counter = int(response['Body'].read().decode('utf-8'))
+
+ debug = ""
+ incr = 0
+ if 'body' in event:
+ body = str(base64.b64decode(event['body']).decode("utf-8"))
+ if body.startswith('input'):
+ incr = int(body.rsplit('=')[1])
+ elif 'input' in event:
+ incr = int(event['input'])
+
+ if incr is not 0:
+ counter = counter + incr
+ response = s3_client.put_object(Bucket=globally_unique_s3_group_bucket_name, Key='us-east-1', Body=str(counter))
+
+ output = ('<html><head><title>Counter Demo</title>\n'
+ # '<meta http-equiv="refresh" content="5"/></head><body>\n'
+ '<h2>HS Fulda Cloud Computing - Counter Demo</h2>\n'
+ '<p><b>HTML-Output:</b> ' + str(counter) + '</p></body>\n'
+ '<form method=POST action="">\n'
+ '<input type="hidden" name="input" value="1">\n'
+ '<input type="submit" value="Increment"></form>\n'
+ # '<hr><b>Lambda Event:</b><br>' + repr(event) + '\n'
+ # '<hr><b>Lambda Context:</b><br>' + repr(context) + '\n'
+ '</body></html>\n')
+
+ return {
+ 'statusCode': 200,
+ 'headers': {
+ 'Content-Type': 'text/html',
+ 'x-hsfd-counter': str(counter)
+ },
+ 'body': output
+ }
diff --git a/example-projects/counter-demo/aws-lambda-localstack/start.py b/example-projects/counter-demo/aws-lambda-localstack/start.py
new file mode 100644
index 0000000000000000000000000000000000000000..578229f7fd04bc6bb60c08ee8988e6aaf3da8cfc
--- /dev/null
+++ b/example-projects/counter-demo/aws-lambda-localstack/start.py
@@ -0,0 +1,146 @@
+from datetime import date
+import zipfile
+import boto3
+from botocore.exceptions import ClientError
+
+################################################################################################
+#
+# Configuration Parameters
+#
+################################################################################################
+
+endpoint_url = "http://localhost.localstack.cloud:4566"
+
+# you need to create a bucket in S3, here in this demo it is called "cloudcomp-counter", but
+# bucket names need to be world wide unique ;) The demo looks for a file that is named
+# "us-east-1" (same as our default region) in the bucket and expects a number in it to increase
+
+groupNr = 22
+currentYear = date.today().year
+
+globallyUniqueS3GroupBucketName = "cloudcomp-counter-" + str(currentYear) + "-group" + str(groupNr)
+
+# region = 'eu-central-1'
+region = 'us-east-1'
+functionName = 'cloudcomp-counter-lambda-demo'
+
+# see ARN for AWS Academy LabRole function here:
+# https://us-east-1.console.aws.amazon.com/iamv2/home?region=us-east-1#/roles/details/LabRole?section=permissions
+
+# roleName = 'arn:aws:iam::309000625112:role/service-role/cloudcomp-counter-demo-role-6rs7pah3'
+# roleName = 'arn:aws:iam::919927306708:role/cloudcomp-s3-access'
+roleName = 'arn:aws:iam::488766701848:role/LabRole'
+
+################################################################################################
+#
+# boto3 code
+#
+################################################################################################
+
+
+def cleanup_s3_bucket(s3_bucket):
+ # Deleting objects
+ for s3_object in s3_bucket.objects.all():
+ s3_object.delete()
+ # Deleting objects versions if S3 versioning enabled
+ for s3_object_ver in s3_bucket.object_versions.all():
+ s3_object_ver.delete()
+
+
+client = boto3.setup_default_session(region_name=region)
+s3Client = boto3.client('s3', endpoint_url=endpoint_url)
+s3Resource = boto3.resource('s3', endpoint_url=endpoint_url)
+lClient = boto3.client('lambda', endpoint_url=endpoint_url)
+apiClient = boto3.client("apigatewayv2", endpoint_url=endpoint_url)
+
+print("Deleting old function...")
+print("------------------------------------")
+try:
+ response = lClient.delete_function(
+ FunctionName=functionName,
+ )
+except lClient.exceptions.ResourceNotFoundException:
+ print('Function not available. No need to delete it.')
+
+print("Deleting old bucket...")
+print("------------------------------------")
+
+try:
+ currentBucket = s3Resource.Bucket(globallyUniqueS3GroupBucketName)
+ cleanup_s3_bucket(currentBucket)
+ currentBucket.delete()
+except ClientError as e:
+ print(e)
+
+print("creating S3 bucket (must be globally unique)...")
+print("------------------------------------")
+
+try:
+ response = s3Client.create_bucket(Bucket=globallyUniqueS3GroupBucketName)
+ response = s3Client.put_object(Bucket=globallyUniqueS3GroupBucketName, Key='us-east-1', Body=str(0))
+except ClientError as e:
+ print(e)
+
+print("creating new function...")
+print("------------------------------------")
+
+zf = zipfile.ZipFile('lambda-deployment-archive.zip', 'w', zipfile.ZIP_DEFLATED)
+zf.write('lambda_function.py')
+zf.close()
+
+lambdaFunctionARN = ""
+with open('lambda-deployment-archive.zip', mode='rb') as file:
+ zipfileContent = file.read()
+
+ response = lClient.create_function(
+ FunctionName=functionName,
+ Runtime='python3.9',
+ Role=roleName,
+ Code={
+ 'ZipFile': zipfileContent
+ },
+ Handler='lambda_function.lambda_handler',
+ Publish=True,
+ Environment={
+ 'Variables': {
+ 'bucketName': globallyUniqueS3GroupBucketName
+ }
+ }
+ )
+ lambdaFunctionARN = response['FunctionArn']
+
+print("Lambda Function and S3 Bucket to store the counter are available. Sadly, AWS Academy labs do not allow\n"
+ "creating an API gateway to be able to access the Lambda function directly via HTTP from the browser, as\n"
+ "shown in https://348yxdily0.execute-api.eu-central-1.amazonaws.com/default/cloudcomp-counter-demo.\n"
+ "\n"
+ "However you can now run invoke-function.py to view an increment the counter. You can also use \n"
+ "the test button in the Lambda AWS console. In this case you need to send the content\n"
+ "\n"
+ "{\n"
+ " \"input\": \"1\"\n"
+ "}\n"
+ "\n"
+ "to increment the counter by 1.\n"
+ "Try to understand how Lambda can be used to cut costs regarding cloud services and what its pros\n"
+ "and cons are.\n")
+
+# sadly, AWS Academy Labs don't allow API gateways
+# API gateway would allow getting an HTTP endpoint that we could access directly in the browser,
+# that would call our function, as in the provided demo:
+#
+# https://348yxdily0.execute-api.eu-central-1.amazonaws.com/default/cloudcomp-counter-demo
+
+# print("creating API gateway...")
+# print("------------------------------------")
+#
+# #apiArn = ""
+# response = apiClient.create_api(
+# Name=functionName + '-api',
+# ProtocolType='HTTP',
+# Target=lambdaFunctionARN
+# )
+# #apiArn=response['']
+#
+# #response = lClient.create_event_source_mapping(
+# # EventSourceArn=apiArn,
+# #)
diff --git a/example-projects/counter-demo/aws-lambda-localstack/stop.py b/example-projects/counter-demo/aws-lambda-localstack/stop.py
new file mode 100644
index 0000000000000000000000000000000000000000..5406f2aeb35d49e3b8fa55a65a019d9cdb8a506d
--- /dev/null
+++ b/example-projects/counter-demo/aws-lambda-localstack/stop.py
@@ -0,0 +1,64 @@
+from datetime import date
+import boto3
+
+################################################################################################
+#
+# Configuration Parameters
+#
+################################################################################################
+
+# you need to create a bucket in S3, here in this demo it is called "cloudcomp-counter", but
+# bucket names need to be world wide unique ;) The demo looks for a file that is named
+# "us-east-1" (same as our default region) in the bucket and expects a number in it to increase
+
+groupNr = 22
+currentYear = date.today().year
+
+globallyUniqueS3GroupBucketName = "cloudcomp-counter-" + str(currentYear) + "-group" + str(groupNr)
+
+# region = 'eu-central-1'
+region = 'us-east-1'
+functionName = 'cloudcomp-counter-lambda-demo'
+# roleName = 'arn:aws:iam::309000625112:role/service-role/cloudcomp-counter-demo-role-6rs7pah3'
+roleName = 'arn:aws:iam::919927306708:role/cloudcomp-s3-access'
+
+################################################################################################
+#
+# boto3 code
+#
+################################################################################################
+
+
+def cleanup_s3_bucket(s3_bucket):
+ # Deleting objects
+ for s3_object in s3_bucket.objects.all():
+ s3_object.delete()
+ # Deleting objects versions if S3 versioning enabled
+ for s3_object_ver in s3_bucket.object_versions.all():
+ s3_object_ver.delete()
+
+
+client = boto3.setup_default_session(region_name=region)
+s3Client = boto3.client('s3')
+s3Resource = boto3.resource('s3')
+lClient = boto3.client('lambda')
+
+
+print("Deleting old function...")
+print("------------------------------------")
+try:
+ response = lClient.delete_function(
+ FunctionName=functionName,
+ )
+except lClient.exceptions.ResourceNotFoundException:
+ print('Function not available. No need to delete it.')
+
+print("Deleting old bucket...")
+print("------------------------------------")
+
+try:
+ currentBucket = s3Resource.Bucket(globallyUniqueS3GroupBucketName)
+ cleanup_s3_bucket(currentBucket)
+ currentBucket.delete()
+except ClientError as e:
+ print(e)