Change dockerfile and add dynamic port configuration for main.rs

Dockerfile

@@ -1,5 +1,5 @@
 # Stage 1: Build the Rust binary
-FROM rust:1.75 AS builder
+FROM rust:latest AS builder
 
 WORKDIR /app
 
@@ -7,10 +7,9 @@ WORKDIR /app
 RUN apt-get update && apt-get install -y cmake clang libssl-dev pkg-config
 
 # Copy your source code
-COPY backend/Cargo.toml backend/Cargo.toml
-COPY backend/src backend/src
-# (If you have a Cargo.lock, copy it too)
-# COPY backend/Cargo.lock backend/Cargo.lock
+COPY ./Cargo.toml backend/Cargo.toml
+COPY ./src backend/src
+COPY ./Cargo.lock backend/Cargo.lock
 
 WORKDIR /app/backend
 
@@ -18,7 +17,7 @@ WORKDIR /app/backend
 RUN cargo build --release
 
 # Stage 2: Create the lightweight runtime image
-FROM debian:bookworm-slim
+FROM ubuntu:24.04
 
 WORKDIR /app
 

src/main.rs

@@ -314,7 +314,10 @@ async fn main() -> std::io::Result<()> {
         }
     };
 
-    println!("Started Verity Rust API on 0.0.0.0:8080...");
+    // Dynamically get port
+    let port = std::env::var("PORT").unwrap_or_else(|_| "7860".to_string());
+    let bind_address = format!("0.0.0.0:{}", port);
+    println!("Started Verity Rust API on {}...", bind_address);
 
     // 5. Start the HTTP Server
     HttpServer::new(move || {
@@ -331,8 +334,7 @@ async fn main() -> std::io::Result<()> {
             .app_data(app_state.clone())
             .service(verify_claim)
     })
-    .workers(2)     // Limit to 2 workers for development
-    .bind(("0.0.0.0", 8080))?
+    .bind(&bind_address)?
     .run()
     .await
 }