Security added on delete service and list all node + cleaning some code

node/Dockerfile

@@ -1,26 +1,20 @@
-# ---- Build Stage ----
 FROM debian:bookworm AS builder
 
-# Install Rust and build tools
 RUN apt-get update && apt-get install -y curl build-essential pkg-config libssl-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install rustup (stable toolchain)
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 ENV PATH="/root/.cargo/bin:${PATH}"
 
 WORKDIR /app
 
-# Cache Rust dependencies
 COPY Cargo.toml Cargo.lock ./
 RUN mkdir src && echo "fn main() {}" > src/main.rs
 RUN cargo build --release || true
 
-# Copy sources and build the real binary
 COPY . .
 RUN cargo build --release
 
-# ---- Runtime Stage ----
 FROM debian:bookworm-slim
 
 RUN apt-get update && apt-get install -y libssl3 procps iputils-ping curl \
@@ -28,10 +22,8 @@ RUN apt-get update && apt-get install -y libssl3 procps iputils-ping curl \
 
 WORKDIR /app
 
-# Copy data file
 COPY processes.json /app/processes.json
 
-# Copy compiled binary
 COPY --from=builder /app/target/release/node /usr/local/bin/node-service
 
 EXPOSE 8081