diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..77b3ac2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+token.txt
\ No newline at end of file
diff --git a/hetzner/gitea/cloud-init.ipynb b/IasS/ex1-2/gitea/cloud-init.ipynb
similarity index 100%
rename from hetzner/gitea/cloud-init.ipynb
rename to IasS/ex1-2/gitea/cloud-init.ipynb
diff --git a/hetzner/gitea/docker-compose.yml b/IasS/ex1-2/gitea/docker-compose.yml
similarity index 100%
rename from hetzner/gitea/docker-compose.yml
rename to IasS/ex1-2/gitea/docker-compose.yml
diff --git a/IasS/ex1-2/hetzner-gitea-init.py b/IasS/ex1-2/hetzner-gitea-init.py
new file mode 100644
index 0000000..3609ba2
--- /dev/null
+++ b/IasS/ex1-2/hetzner-gitea-init.py
@@ -0,0 +1,188 @@
+from hcloud import Client
+from hcloud.networks.domain import NetworkSubnet
+from hcloud.locations.domain import Location
+from hcloud.images.domain import Image
+from hcloud.server_types.domain import ServerType
+import time
+
+client = Client(
+    token="KccUEiddxtzGoLWSNC3V8tylq7MYHCjdnShtgasQ8jSbHqCjGoaa6Rq7yoz4uS23"
+)
+PREFIX = "s444498"
+YOUR_LOCAL_SSH_PUBKEY = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAj15oTbXA0KGBw5V/76KXDgJZpLNrxUO/rTA0u0eRl1 wirus@wirusowylapek"
+try:
+    ssh_key = client.ssh_keys.create(name=f"{PREFIX}-pzc-ssh-key-2", public_key=YOUR_LOCAL_SSH_PUBKEY)
+    print(f"Key {ssh_key.data_model.name} created: {ssh_key.data_model.public_key}")
+except:
+    ssh_key = client.ssh_keys.get_by_name(f"{PREFIX}-pzc-ssh-key-2")
+    print(f"Key {ssh_key.data_model.name} already in use: {ssh_key.data_model.public_key}")
+
+try:
+    vnet = client.networks.create(
+        name=f"{PREFIX}-pzc-test-vnet", 
+        ip_range="10.10.10.0/24", 
+        subnets=[
+            NetworkSubnet(ip_range="10.10.10.0/24", network_zone="eu-central", type="cloud")
+        ]
+    )
+    print(f"Created network: {vnet.data_model.name} ({vnet.data_model.ip_range})")
+except:
+    vnet = client.networks.get_by_name(
+        f"{PREFIX}-pzc-test-vnet", 
+    )
+    print(f"Network in use: {vnet.data_model.name} ({vnet.data_model.ip_range})")
+
+try:
+  shared_volume = client.volumes.create(
+  size=15,
+  name="gitea-volume-s444498",
+  location=Location("hel1"))
+  shared_volume.action.wait_until_finished()
+  print(f"Created volume: {shared_volume.volume}")
+except:
+  shared_volume = client.volumes.get_by_name("gitea-volume-s444498")
+  shared_volume.action.wait_until_finished()
+  print(f"Volume in use: {shared_volume.volume}")
+
+volume_device = shared_volume.volume.linux_device
+
+cloud_init_mysql=r'''#cloud-config
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - gnupg-agent
+  - software-properties-common
+
+write_files:
+  - path: /root/docker-compose.yml
+    content: |
+        version: '3.9'
+
+        services:
+          db:
+            image: mysql:5.7
+            restart: always
+            environment:
+              MYSQL_DATABASE: gitea
+              MYSQL_USER: gitea
+              MYSQL_PASSWORD: gitea
+              MYSQL_ROOT_PASSWORD: gitea
+            ports:
+              - "10.10.10.2:3306:3306"
+            volumes:
+              - my-db:/var/lib/mysql
+          phpmyadmin:
+            image: phpmyadmin
+            restart: always
+            ports:
+              - "8080:80"
+        volumes:
+          my-db: {}
+
+runcmd:
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+  - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+  - apt-get update -y
+  - apt-get install -y docker-ce docker-ce-cli containerd.io
+  - curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+  - chmod +x /usr/local/bin/docker-compose
+  - systemctl start docker
+  - systemctl enable docker
+  - cd /root/ && docker-compose up -d
+  '''
+
+mysql_server = client.servers.create(
+    name=f"{PREFIX}-mysql1", 
+    server_type=ServerType("cx11"), 
+    image=Image(name="ubuntu-20.04"), 
+    ssh_keys=[ssh_key], 
+    networks=[vnet], 
+    location=Location("hel1"), 
+    user_data=cloud_init_mysql
+)
+
+mysql_server.action.wait_until_finished()
+print(f"Creating mysql server: {mysql_server.action.complete}")
+
+time.sleep(20)
+
+cloud_init_gitea=r'''#cloud-config
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - gnupg-agent
+  - software-properties-common
+
+write_files:
+  - path: /root/docker-compose.yml
+    content: |
+        version: "3"
+
+        networks:
+          gitea:
+            external: false
+
+        services:
+          server:
+            image: gitea/gitea:1.17.4
+            container_name: gitea
+            environment:
+              - USER_UID=1000
+              - USER_GID=1000
+              - GITEA__server__DOMAIN=${DOMAIN}
+              - GITEA__database__DB_TYPE=mysql
+              - GITEA__database__HOST=10.10.10.2:3306
+              - GITEA__database__NAME=gitea
+              - GITEA__database__USER=gitea
+              - GITEA__database__PASSWD=gitea
+            restart: always
+            networks:
+              - gitea
+            volumes:
+              - ./data:/root/gitea
+              - ./config:/root/gitea/config
+              - /etc/timezone:/etc/timezone:ro
+              - /etc/localtime:/etc/localtime:ro
+              - /mnt/data_gitea:/data
+            ports:
+              - "3000:3000"
+              - "222:22"
+'''
+runcmd = f'''
+runcmd:
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+  - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+  - apt-get update -y
+  - apt-get install -y docker-ce docker-ce-cli containerd.io
+  - curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+  - chmod +x /usr/local/bin/docker-compose
+  - systemctl start docker
+  - systemctl enable docker
+  - cd /mnt/
+  - mkdir data_gitea
+  - cd /root/
+  - IP=$(hostname -I | cut -d ' ' -f 1)
+  - echo "DOMAIN=$IP" >> .env
+  - sudo mkfs.xfs -f {volume_device}
+  - mount -o discard,defaults {volume_device} /mnt/data_gitea
+  - docker-compose up -d
+'''
+
+cloud_init_gitea += runcmd
+
+gitea_server = client.servers.create(
+    name=f"{PREFIX}-gitea1", 
+    server_type=ServerType("cx11"), 
+    image=Image(name="ubuntu-20.04"), 
+    ssh_keys=[ssh_key], 
+    networks=[vnet], 
+    location=Location("hel1"), 
+    user_data=cloud_init_gitea,
+    volumes=[shared_volume.volume],
+    automount=True
+)
+
+gitea_server.action.wait_until_finished()
+print(f"Creating gitea server: {gitea_server.action.complete}")
\ No newline at end of file
diff --git a/hetzner/mysql/cloud-init.ipynb b/IasS/ex1-2/mysql/cloud-init.ipynb
similarity index 69%
rename from hetzner/mysql/cloud-init.ipynb
rename to IasS/ex1-2/mysql/cloud-init.ipynb
index 08725a2..3145218 100644
--- a/hetzner/mysql/cloud-init.ipynb
+++ b/IasS/ex1-2/mysql/cloud-init.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 34,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
@@ -30,17 +30,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 35,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Network in use: s444498-pzc-test-vnet (10.10.10.0/24)\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "from hcloud.networks.domain import NetworkSubnet\n",
     "\n",
@@ -62,17 +54,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 36,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Creating gitea server: True\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "from hcloud.locations.domain import Location\n",
     "from hcloud.images.domain import Image\n",
@@ -124,18 +108,61 @@
     "  - cd /root/ && docker-compose up -d\n",
     "  '''\n",
     "\n",
-    "mysql_server = client.servers.create(\n",
-    "    name=f\"{PREFIX}-mysql\", \n",
-    "    server_type=ServerType(\"cx11\"), \n",
-    "    image=Image(name=\"ubuntu-20.04\"), \n",
-    "    ssh_keys=[ssh_key], \n",
-    "    networks=[vnet], \n",
-    "    location=Location(\"hel1\"), \n",
-    "    user_data=cloud_init_mysql\n",
-    ")\n",
+    "for i in range(20):\n",
     "\n",
-    "mysql_server.action.wait_until_finished()\n",
-    "print(f\"Creating gitea server: {mysql_server.action.complete}\")"
+    "  mysql_server = client.servers.create(\n",
+    "      name=f\"{PREFIX}-mysql-{i}\", \n",
+    "      server_type=ServerType(\"cx11\"), \n",
+    "      image=Image(name=\"ubuntu-20.04\"), \n",
+    "      ssh_keys=[ssh_key], \n",
+    "      networks=[vnet], \n",
+    "      location=Location(\"hel1\"), \n",
+    "      user_data=cloud_init_mysql\n",
+    "  )\n",
+    "\n",
+    "  mysql_server.action.wait_until_finished()\n",
+    "  print(f\"Creating gitea server: {mysql_server.action.complete}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "NameError",
+     "evalue": "name 'client' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
+      "Cell \u001b[0;32mIn [1], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m shared_volume \u001b[39m=\u001b[39m client\u001b[39m.\u001b[39mvolumes\u001b[39m.\u001b[39mcreate(\n\u001b[1;32m      2\u001b[0m size\u001b[39m=\u001b[39m\u001b[39m15\u001b[39m,\n\u001b[1;32m      3\u001b[0m name\u001b[39m=\u001b[39m\u001b[39m\"\u001b[39m\u001b[39mgitea-volume\u001b[39m\u001b[39m\"\u001b[39m)\n",
+      "\u001b[0;31mNameError\u001b[0m: name 'client' is not defined"
+     ]
+    }
+   ],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Usuwanie 9 serwerów\n"
+     ]
+    }
+   ],
+   "source": [
+    "servers = client.servers.get_all()\n",
+    "print(f\"Usuwanie {len(servers)} serwerów\")\n",
+    "for s in servers:\n",
+    "    if s.data_model.name.startswith(PREFIX):\n",
+    "        action = client.servers.delete(s)\n",
+    "        print(f\"\\tUsuwanie serwera {s.data_model.name} ({s.data_model.public_net.ipv4.ip}): {action.data_model.status}\")"
    ]
   }
  ],
diff --git a/hetzner/mysql/docker-compose.yml b/IasS/ex1-2/mysql/docker-compose.yml
similarity index 100%
rename from hetzner/mysql/docker-compose.yml
rename to IasS/ex1-2/mysql/docker-compose.yml
diff --git a/hetzner/vscode/cloud-init.ipynb b/IasS/ex4/vscode/cloud-init.ipynb
similarity index 89%
rename from hetzner/vscode/cloud-init.ipynb
rename to IasS/ex4/vscode/cloud-init.ipynb
index 1848f3b..d3da662 100644
--- a/hetzner/vscode/cloud-init.ipynb
+++ b/IasS/ex4/vscode/cloud-init.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [
     {
@@ -30,7 +30,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
@@ -62,14 +62,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Creating gitea server: True\n"
+      "Creating vscode server: True\n"
      ]
     }
    ],
@@ -85,16 +85,14 @@
     "  - curl\n",
     "  - gnupg-agent\n",
     "  - software-properties-common\n",
-    "\n",
     "write_files:\n",
     "  - content: |\n",
-    "      curl -fsSL https://code-server.dev/install.sh > /root/install.sh\n",
-    "      path: /root/install.sh\n",
-    "      owner: root:root\n",
-    "      permissions: '755'\n",
-    "\n",
+    "        curl -fsSL https://code-server.dev/install.sh > /root/install.sh\n",
+    "        path: /root/install.sh\n",
+    "        owner: root:root\n",
+    "        permissions: '755'\n",
     "runcmd:\n",
-    "  - bash /root/install.sh\n",
+    "  - bash install.sh\n",
     "  - code-server --bind-addr 0.0.0.0:8080\n",
     "  '''\n",
     "\n",
@@ -109,7 +107,7 @@
     ")\n",
     "\n",
     "vscode_server.action.wait_until_finished()\n",
-    "print(f\"Creating gitea server: {vscode_server.action.complete}\")"
+    "print(f\"Creating vscode server: {vscode_server.action.complete}\")"
    ]
   }
  ],
diff --git a/Public_cloud/loadbalancer-init.py b/Public_cloud/loadbalancer-init.py
index 60620d6..613d05f 100644
--- a/Public_cloud/loadbalancer-init.py
+++ b/Public_cloud/loadbalancer-init.py
@@ -4,7 +4,7 @@ from hcloud.server_types.domain import ServerType
 from hcloud.networks.domain import NetworkSubnet
 from hcloud.locations.domain import Location
 from hcloud.load_balancer_types.domain import LoadBalancerType
-from hcloud.load_balancers.domain import LoadBalancerTarget, LoadBalancerService, LoadBalancerHealthCheck, LoadBalancerHealtCheckHttp
+from hcloud.load_balancers.domain import LoadBalancerTarget, LoadBalancerService, LoadBalancerServiceHttp, LoadBalancerHealthCheck, LoadBalancerHealtCheckHttp
 from pathlib import Path
 
 with open("../token.txt", "r") as file:
@@ -42,14 +42,38 @@ except:
     )
     print(f"Network in use: {vnet.data_model.name} ({vnet.data_model.ip_range})")
 
-webservice_init=r'''
-#cloud-config
+webservice_init=r'''#cloud-config
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - gnupg-agent
+  - software-properties-common
+
+write_files:
+  - path: /root/Dockerfile
+    content: |
+        FROM ubuntu
+        COPY ./webservice /
+        RUN chmod +x ./webservice
+        EXPOSE 80:8080/tcp
+        CMD ./webservice
+
 runcmd:
-  - git clone https://git.wmi.amu.edu.pl/s444498/cloud
-  - cd Public_cloud
-  - chmod +x webservice
-  - ./webservice
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+  - add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+  - apt-get update -y
+  - apt-get install -y docker-ce docker-ce-cli containerd.io
+  - curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+  - chmod +x /usr/local/bin/docker-compose
+  - curl -fsSL https://git.wmi.amu.edu.pl/s444498/cloud/raw/branch/master/Public_cloud/webservice > /root/webservice
+  - systemctl start docker
+  - systemctl enable docker
+  - cd /root/
+  - docker build -t webservice .
+  - docker run -d -p 80:8080 -t webservice
 '''
+
 for i in range(NUM_OF_SERVERS):
     webservice_server = client.servers.create(
         name=f"{PREFIX}-webservice-{i+1}",
@@ -63,42 +87,44 @@ for i in range(NUM_OF_SERVERS):
 
     webservice_server.action.wait_until_finished()
     print(f"Creating webservice {i+1}: {webservice_server.action.complete}")
-    loadbalancer_targets.append(LoadBalancerTarget(type="server", server=webservice_server.server, use_private_ip=True))
+    loadbalancer_targets.append(LoadBalancerTarget(type="server", server=webservice_server.server, use_private_ip=False))
 
-try:
-    loadbalancer = client.load_balancers.create(
-        name= f"{PREFIX}-loadbalancer",
-        load_balancer_type=LoadBalancerType(name="lb11"),
-        location=Location("hel1"),
-        services=[
-            LoadBalancerService(
+loadbalancer = client.load_balancers.create(
+    name= f"{PREFIX}-loadbalancer",
+    load_balancer_type=LoadBalancerType(name="lb11"),
+    location=Location("hel1"),
+    targets=loadbalancer_targets,
+    public_interface=True,
+    services=[
+        LoadBalancerService(
+            protocol="http",
+            listen_port=80,
+            destination_port=80,
+            proxyprotocol=False,
+            health_check=LoadBalancerHealthCheck(
                 protocol="http",
-                listen_port=8080,
-                destination_port=8080,
-                proxyprotocol=False,
-                health_check=LoadBalancerHealthCheck(
-                    protocol="http",
-                    port="8080",
-                    interval=15,
-                    timeout=10,
-                    retries=3,
-                    http=LoadBalancerHealtCheckHttp(
-                        path="/factors/32",
-                        status_codes=["2??", "3??"],
-                        tls=False
-                    )
-                ),
-            )
-        ],
-        targets=loadbalancer_targets,
-        public_interface=True,
-        network=vnet
-    )
-except:
-    loadbalancer = client.load_balancers.get_by_name(f"{PREFIX}-loadbalancer")
+                port=80,
+                interval=15,
+                timeout=10,
+                retries=3,
+                http=LoadBalancerHealtCheckHttp(
+                    path="/factors/32",
+                    status_codes=["2??", "3??"],
+                    tls=False
+                )
+            ),
+            http=LoadBalancerServiceHttp(
+                cookie_name='HCLBSTICKY',
+                cookie_lifetime=300,
+                sticky_sessions=True,
+                certificates=[],
+            ),
+        ),
+    ],
+)
 
 loadbalancer.action.wait_until_finished()
 print(f"Loadbalancer creating...: {loadbalancer.action.complete}")
 
 load_balancer = client.load_balancers.get_by_name(f"{PREFIX}-loadbalancer")
-print(f"Webserwis: http://{load_balancer.data_model.public_net.ipv4.ip}:8080/factors/")
+print(f"Webserwis: http://{load_balancer.data_model.public_net.ipv4.ip}:80/factors/")
diff --git a/hetzner-gitea-init.py b/hetzner-gitea-init.py
index 1da1c07..3609ba2 100644
--- a/hetzner-gitea-init.py
+++ b/hetzner-gitea-init.py
@@ -32,6 +32,20 @@ except:
     )
     print(f"Network in use: {vnet.data_model.name} ({vnet.data_model.ip_range})")
 
+try:
+  shared_volume = client.volumes.create(
+  size=15,
+  name="gitea-volume-s444498",
+  location=Location("hel1"))
+  shared_volume.action.wait_until_finished()
+  print(f"Created volume: {shared_volume.volume}")
+except:
+  shared_volume = client.volumes.get_by_name("gitea-volume-s444498")
+  shared_volume.action.wait_until_finished()
+  print(f"Volume in use: {shared_volume.volume}")
+
+volume_device = shared_volume.volume.linux_device
+
 cloud_init_mysql=r'''#cloud-config
 packages:
   - apt-transport-https
@@ -89,7 +103,7 @@ mysql_server = client.servers.create(
 )
 
 mysql_server.action.wait_until_finished()
-print(f"Creating gitea server: {mysql_server.action.complete}")
+print(f"Creating mysql server: {mysql_server.action.complete}")
 
 time.sleep(20)
 
@@ -131,7 +145,7 @@ write_files:
               - ./config:/root/gitea/config
               - /etc/timezone:/etc/timezone:ro
               - /etc/localtime:/etc/localtime:ro
-              - /mnt/volume:/data
+              - /mnt/data_gitea:/data
             ports:
               - "3000:3000"
               - "222:22"
@@ -146,9 +160,13 @@ runcmd:
   - chmod +x /usr/local/bin/docker-compose
   - systemctl start docker
   - systemctl enable docker
+  - cd /mnt/
+  - mkdir data_gitea
   - cd /root/
   - IP=$(hostname -I | cut -d ' ' -f 1)
   - echo "DOMAIN=$IP" >> .env
+  - sudo mkfs.xfs -f {volume_device}
+  - mount -o discard,defaults {volume_device} /mnt/data_gitea
   - docker-compose up -d
 '''
 
@@ -161,7 +179,9 @@ gitea_server = client.servers.create(
     ssh_keys=[ssh_key], 
     networks=[vnet], 
     location=Location("hel1"), 
-    user_data=cloud_init_gitea
+    user_data=cloud_init_gitea,
+    volumes=[shared_volume.volume],
+    automount=True
 )
 
 gitea_server.action.wait_until_finished()
diff --git a/hetzner/sigma/computeC b/hetzner/sigma/computeC
deleted file mode 100755
index 9e27036..0000000
Binary files a/hetzner/sigma/computeC and /dev/null differ