Update Dockerfile

Dockerfile

@@ -1,19 +1,25 @@
-FROM rust:1.75-slim-bookworm AS builder
-# Build Rust backend here...
+# Build Stage
+FROM rust:1.75-slim-bookworm as builder
+WORKDIR /app
+COPY . .
+RUN cargo build --release
 
+# Final Stage
 FROM debian:bookworm-slim
+RUN apt-get update && apt-get install -y curl xz-utils wget ca-certificates
 RUN useradd -m -u 1000 user
 USER user
 ENV HOME=/home/user
-ENV PATH="/home/user/.nix-profile/bin:/home/user/.cargo/bin:${PATH}"
+WORKDIR /home/user
 
-# Install Nix in single-user mode
+# Install Nix
 RUN curl -L https://nixos.org/nix/install | sh -s -- --no-daemon
+ENV PATH="/home/user/.nix-profile/bin:${PATH}"
+ENV NIX_PATH=nixpkgs=https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz
 
-# Copy built assets
-COPY --from=builder /app/target/release/agent-backend /home/user/agent-backend
-COPY ./frontend/dist /home/user/dist
+COPY --from=builder /app/target/release/polymorphic-agent .
+# Copy frontend dist (assuming you ran npm build)
+COPY ./frontend/dist ./frontend/dist
 
-WORKDIR /home/user
 EXPOSE 7860
-CMD ["./agent-backend"]
+CMD ["./polymorphic-agent"]