diff --git a/Zadanie_4_3_b/Dockerfile.txt b/Zadanie_4_3_b/Dockerfile.txt
new file mode 100644
index 0000000..6147f6f
--- /dev/null
+++ b/Zadanie_4_3_b/Dockerfile.txt
@@ -0,0 +1,5 @@
+FROM ubuntu
+COPY ./webservice /
+RUN chmod +x ./webservice
+EXPOSE 80:8080/tcp
+CMD ./webservice
\ No newline at end of file
diff --git a/Zadanie_4_3_b/aws.py b/Zadanie_4_3_b/aws.py
new file mode 100644
index 0000000..f57bfec
--- /dev/null
+++ b/Zadanie_4_3_b/aws.py
@@ -0,0 +1,145 @@
+# niezbędna konfiguracja danych dostępowych, pamiętaj aby nigdy jej nie udostępniać publicznie
+aws_access_key_id=''
+aws_secret_access_key=''
+aws_session_token=''
+VPC=''
+ID='444376'
+
+# biblioteka dostępowa do AWS
+import boto3
+import time
+
+# tworzymy zasób,  *Resource* oferuje API wyższego poziomu niż *Client*
+ec2_resource = boto3.resource(
+    'ec2',
+    region_name='us-east-1',
+    aws_access_key_id=aws_access_key_id,
+    aws_secret_access_key=aws_secret_access_key,
+    aws_session_token=aws_session_token
+)
+
+key_pair = ec2_resource.create_key_pair(
+    KeyName=ID+'_KEY_PAIR',
+    KeyFormat='pem',
+    KeyType='ed25519'
+)
+
+security_group = ec2_resource.create_security_group(
+    Description=ID+'_SECURITY_GROUP',
+    GroupName=ID+'_SECURITY_GROUP',
+    VpcId=VPC
+)
+
+inbound_rules = security_group.authorize_ingress(
+    GroupId=security_group.group_id,
+    CidrIp='0.0.0.0/0',
+    IpProtocol='tcp',
+    FromPort=80,
+    ToPort=80
+)
+
+instance_1, instance_2 = ec2_resource.create_instances(
+    ImageId='ami-0b5eea76982371e91',
+    MinCount=2,
+    MaxCount=2,
+    InstanceType='t2.micro',
+    KeyName=key_pair.name,
+    UserData=f'''
+        #!/bin/bash
+        sudo yum update -y
+        sudo yum install git -y
+        git clone https://git.wmi.amu.edu.pl/s443930/aws-webservice.git
+        cd aws-webservice/get
+        sudo yum install docker -y
+        sudo service docker start
+        sudo usermod -a -G docker ec2-user
+        docker build -t webservice .
+        docker run -d -p 80:8080 -t webservice
+    ''',
+    SecurityGroups=[security_group.group_name]
+)
+
+while True:
+    time.sleep(1)
+    instance_1 = ec2_resource.Instance(instance_1.id)
+    instance_2 = ec2_resource.Instance(instance_2.id)
+    if instance_1.state['Code'] == 16 and instance_2.state['Code'] == 16:
+        break
+
+    elbv2 = boto3.client(
+        'elbv2',
+        region_name='us-east-1',
+        aws_access_key_id=aws_access_key_id,
+        aws_secret_access_key=aws_secret_access_key,
+        aws_session_token=aws_session_token,
+    )
+
+    target_group = elbv2.create_target_group(
+        Name=ID+'_TARGET_GROUP',
+        Protocol='TCP',
+        Port=80,
+        VpcId=VPC,
+        TargetType='instance',
+        IpAddressType='ipv4',
+    )
+
+    register_targets = elbv2.register_targets(
+        TargetGroupArn=target_group['TargetGroups'][0]['TargetGroupArn'],
+        Targets=[
+            {
+                'Id': instance_1.id,
+                'Port': 80,
+            },
+            {
+                'Id': instance_2.id,
+                'Port': 80,
+            },
+        ]
+    )
+
+    ec2_client = boto3.client(
+        'ec2',
+        region_name='us-east-1',
+        aws_access_key_id=aws_access_key_id,
+        aws_secret_access_key=aws_secret_access_key,
+        aws_session_token=aws_session_token,
+    )
+
+    allocation = ec2_client.allocate_address(
+        Domain='vpc'
+    )
+
+    load_balancer = elbv2.create_load_balancer(
+        Name=ID+'_LOAD_BALANCER',
+        SubnetMappings=[
+            {
+                'SubnetId': instance_1.subnet_id,
+                'AllocationId': allocation['AllocationId'],
+            },
+        ],
+        Scheme='internet-facing',
+        Type='network',
+        IpAddressType='ipv4',
+    )
+
+    listener = elbv2.create_listener(
+        LoadBalancerArn=load_balancer['LoadBalancers'][0]['LoadBalancerArn'],
+        Protocol='TCP',
+        Port=80,
+        DefaultActions=[
+            {
+                'Type': 'forward',
+                'TargetGroupArn': target_group['TargetGroups'][0]['TargetGroupArn'],
+            },
+        ],
+    )
+
+    print(f'Done: {allocation["PublicIp"]}:80')
+
+'''
+#Stopping and terminating multiple instances given a list of instance IDs uses Boto3 collection filtering:
+ids = ['instance-id-1', 'instance-id-2', ...]
+# Boto3
+ec2.instances.filter(InstanceIds=ids).stop()
+ec2.instances.filter(InstanceIds=ids).terminate()
+'''
\ No newline at end of file
diff --git a/Zadanie_4_3_b/webservice b/Zadanie_4_3_b/webservice
new file mode 100644
index 0000000..afd2204
Binary files /dev/null and b/Zadanie_4_3_b/webservice differ