diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e6bbb1c5..5114afbc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,13 +1,14 @@
 # Contribution Guide
 
-## Environment
+## Local Development
+
+### Prerequisites
 
 - Deno >= v1.36.1
-- [Vercel](https://vercel.com/)
 - GitHub API v4
 - Docker and Docker compose (optional)
 
-## Local Run
+### Setup
 
 Create `.env` file to project root directory, and write your GitHub token to the
 `.env` file. Please select the authority of `repo` when creating token.
@@ -71,3 +72,87 @@ deno task format
 ```sh
 deno task test
 ```
+
+## Production Deployment
+
+### Vercel
+
+The project is configured for deployment on Vercel by default. The `vercel.json`
+configuration handles the routing automatically.
+
+For more information, see the [Vercel documentation](https://vercel.com/docs).
+
+### Linux Server (Ubuntu)
+
+#### Prerequisites
+
+- Linux server with SSH access (Ubuntu in this example)
+- Docker installed
+- Reverse proxy server installed (nginx in this example)
+- certbot installed for SSL certificate (https)
+
+#### Deployment Steps
+
+1. **SSH into your server and clone the repository**:
+   ```sh
+   ssh your-server
+   git clone https://github.com/ryo-ma/github-profile-trophy.git
+   cd github-profile-trophy
+   ```
+
+2. **Set up environment file** (see [Local Development](#local-development) for
+   token setup):
+   ```sh
+   cp env-example .env
+   ```
+
+   Edit `.env` and configure:
+   ```properties
+   ENABLE_REDIS=true
+   REDIS_HOST=redis
+   REDIS_PORT=6379
+   REDIS_PASSWORD=dummy-pwd-to-avoid-ERR-AUTH
+   ```
+
+3. **Build and start services**:
+   ```sh
+   docker compose -f docker-compose.prod.yml up --build -d
+   ```
+
+#### Server configuration
+
+1. **Add DNS record pointing on your server**
+
+   ```
+   A your-server-ip your-domain.com
+   ```
+
+2. **Add Reverse Proxy Configuration (nginx)**
+
+   In `/etc/nginx/sites-enabled/default`, add the following configuration:
+
+   ```nginx
+   server {
+       server_name your-domain.com;
+
+       location / {
+           proxy_pass http://127.0.0.1:3000;
+           proxy_set_header Host $host;
+           proxy_set_header X-Real-IP $remote_addr;
+           proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+           proxy_set_header X-Forwarded-Proto $scheme;
+       }
+   }
+   ```
+
+3. **Add SSL certificate**
+
+   ```
+   certbot --nginx
+   ```
+
+4. **Reload nginx configuration**
+
+   ```
+   systemctl reload nginx
+   ```
diff --git a/README.md b/README.md
index b2f05617..630c63ae 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,8 @@ These are endpoints provided by volunteers. Please use these in moderation.
   by [PracticalRyan](https://github.com/PracticalRyan)
 - [https://github-profile-trophy-tawny.vercel.app](https://github-profile-trophy-tawny.vercel.app)
   by [vijaypurohit322](https://github.com/vijaypurohit322)
+- [https://gh-trophy.cdnsoft.net](https://gh-trophy.cdnsoft.net)
+  by [cromatikap](https://github.com/cromatikap)
 
 # Quick Start
 
diff --git a/api/index.ts b/api/index.ts
index ac51d90b..fc29f45f 100644
--- a/api/index.ts
+++ b/api/index.ts
@@ -1,5 +1,5 @@
 import { Card } from "../src/card.ts";
-import { CONSTANTS, parseParams } from "../src/utils.ts";
+import { CONSTANTS, getBaseUrl, parseParams } from "../src/utils.ts";
 import { COLORS, Theme } from "../src/theme.ts";
 import { Error400 } from "../src/error_page.ts";
 import "https://deno.land/x/dotenv@v0.5.0/load.ts";
@@ -43,7 +43,7 @@ async function app(req: Request): Promise<Response> {
   const column = params.getNumberValue("column", CONSTANTS.DEFAULT_MAX_COLUMN);
   const themeParam: string = params.getStringValue("theme", "default");
   if (username === null) {
-    const [base] = req.url.split("?");
+    const base = getBaseUrl(req);
     const error = new Error400(
       `<section>
       <div>
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
new file mode 100644
index 00000000..0f044c0f
--- /dev/null
+++ b/docker-compose.prod.yml
@@ -0,0 +1,21 @@
+services:
+  redis:
+    image: redis:latest
+    container_name: gh-trophy_db
+    restart: unless-stopped
+    volumes:
+      - redis-data:/data
+    command: ["redis-server", "--requirepass", "dummy-pwd-to-avoid-ERR-AUTH"]
+
+  github-profile-trophy:
+    image: github-profile-trophy:latest
+    build: .
+    container_name: gh-trophy_app
+    restart: unless-stopped
+    ports:
+      - "127.0.0.1:3000:8080"
+    env_file:
+      - .env
+
+volumes:
+  redis-data:
diff --git a/src/utils.ts b/src/utils.ts
index 9d529731..d9f25ee7 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -38,6 +38,12 @@ export function parseParams(req: Request): CustomURLSearchParams {
   return new CustomURLSearchParams(splittedURL[1]);
 }
 
+export function getBaseUrl(req: Request): string {
+  const proto = req.headers.get("x-forwarded-proto") || "http"; // reverse proxy compatible protocol discovery
+  const host = req.headers.get("host");
+  return `${proto}://${host}`;
+}
+
 export function abridgeScore(score: number): string {
   if (Math.abs(score) < 1) {
     return "0pt";