add readonly mode

README.md

@@ -73,3 +73,43 @@ ln -s docker-compose-validator.yml docker-compose.yml
 ```shell
 docker compose up -d
 ```
+
+# Running SANR Network node in readonly mode
+
+
+## Minimum requirements
+- [Ubuntu latest](https://ubuntu.com/server)
+- [Docker](https://docs.docker.com/engine/install/ubuntu/)
+- [Docker Compose](https://docs.docker.com/engine/install/ubuntu/)
+- Ethereum wallet (ERC-20 with full access)
+
+## 1. Environment setup
+### 1.1 Create a directory and Navigate to it
+```shell
+mkdir -p /opt/sanchain/readonly
+```
+```shell
+cd /opt/sanchain/readonly
+```
+### 1.2 Clone the Project
+```shell
+git clone git@gitlab.mind-dev.com:santiopts/pos/pos_network_signer.git .
+```
+### 1.3 Configuration and settings edit
+```shell
+mv env.example .env
+```
+```shell
+nano .env
+```
+- `EXTERNAL_IP`=Server external address
+
+### 5.2 Configure the Node Type
+```shell
+ln -s docker-compose-readonly.yml docker-compose.yml
+```
+
+### 5.3 Launch the Project
+```shell
+docker compose up -d
+