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+# NodeJS Reverse Proxy (based on Express)
+
+## Features
+* Compatible with **Docker**
+* Compatible with **HTTPS** protocol
+* Suitable for:
+  * Separation of http services by **URL domain**
+  * Separation of http services by **URL path**
+  * Making a **pseudo-mirror** (not direct forwarding)
+  * Adding **static content** (e.g sharing some files)
+* **Easy setup** (All settings are stored in a JSON file)
+* Well-configured logging
+
+## Quick Setup (Docker)
+* Clone the repository
+* Configure the *docker-compose.yml* (Hints are included as comments)
+* Create a folder of your volume if you haven't done so
+* Run docker compose up
+```bash
+docker compose up -d
+# or
+docker-compose up -d
+```
+* Check the volume folder
+  * Here you can find the *config.json* file, it contains examples of how it can be used
+  * Configure this file as you need
+* Restart the container
+* Check the logs if something went wrong
+
+## Config.json Guide
+Config has next structure
+```ts
+// Pseudo TypeScript code
+
+const config: {
+  domains: {
+    [domain: string]: Domain
+  }
+} = parseJsonFromConfigFile(...)
+
+type Domain = {
+  /**
+   * Name of folder with domain certificates
+   * Will use this two files:
+   * * %CERTS_PATH%/%cert-name%/privkey.pem
+   * * %CERTS_PATH%/%cert-name%/fullchain.pem
+   */
+  'cert-name': string 
+} & {
+  [path: string]: StaticProxyInfo | DynamicProxyInfo
+}
+
+type StaticProxyInfo = {
+    /** 
+     * Will redirect request to local file from this **folder**
+     * 
+     * **Note:** this folder must be in volume folder
+     */
+    folder: string
+
+    /**
+     * Allowed origins
+     * 
+     * Use "*" to disable cors
+     * 
+     * **Default:** [req.hostname]
+     */
+    cors?: string[] | "*"
+
+    /**
+     * Remove path from request path
+     * 
+     * **Example:** ({"test.com": "/api/": {"folder": "volFolder"}})
+     * * *true* - Get **http://test.com/api/test** => Get **./volume/volFolder/test**
+     * * *false* - Get **http://test.com/api/test** => Get **./volume/volFolder/api/test**
+     * 
+     * **Default:** false
+     */
+    relative?: boolean
+}
+
+type DynamicProxyInfo = {
+    /** 
+     * Will redirect request to http server with this **domain** or **ip**
+     */
+    domain: string
+
+    /** 
+     * Will redirect request to http server with this **port**
+     * 
+     * **Default:**
+     * * *for http* - 80
+     * * *for https* - 443
+     */
+    port?: number
+
+
+    /**
+     * Will redirect request to http server with this **headers**
+     * 
+     * **Default:** {}
+     */
+    headers?: { [key: string]: string }
+
+    /**
+     * Use https protocol instead of http when redirecting
+     * 
+     * **Default:** false
+     */
+    https?: boolean
+
+    /**
+     * Allowed origins
+     * 
+     * Use "*" to disable cors
+     * 
+     * **Default:** [req.hostname]
+     */
+    cors?: string[] | "*"
+
+
+    /**
+     * Use domain (or ip) of http server instead of requested domain
+     * 
+     * **Example:**
+     * * *true* - Get **req.hostname** => Get **config.domain** with header Host=**config.domain**
+     * * *false* - Get **req.hostname** => Get **config.domain** with header Host=**req.hostname**
+     * 
+     * **Default:** false
+     */
+    rewriteDomain?: boolean
+
+    /**
+     * Remove path from request path
+     * 
+     * **Example:** ({"test.com": "/api/": {"domain": "localhost"}})
+     * * *true* - Get **http://test.com/api/test** => Get **http:/localhost/test**
+     * * *false* - Get **http://test.com/api/test** => Get **http:/localhost/api/test**
+     * 
+     * **Default:** false
+     */
+    relative?: boolean
+}
+```