Fix builder to multistep for small size

Dockerfile

@@ -1,53 +1,40 @@
 # Stage 1: Builder
-FROM node:18-bullseye-slim as builder
+FROM rust:slim-bookworm AS builder
 
-RUN DEBIAN_FRONTEND=noninteractive \
+# Install system dependencies
-  && apt-get update \
+RUN apt-get update && \
-  && apt-get upgrade -yqq \
+    apt-get install -y --no-install-recommends \
-  && apt-get install --no-install-recommends -y \
+      git \
-    build-essential \
+      clang \
-    curl \
+      llvm \
-    ca-certificates \
+      libclang-dev \
-    llvm-13 \
+      libssl-dev \ 
-    llvm-13-dev \
+      pkg-config \
-    libclang-common-13-dev \
+      ca-certificates \
-    zlib1g-dev \
+    && rm -rf /var/lib/apt/lists/*
-    git \
-  && apt-get clean \
-  && rm -fr /var/lib/apt/lists/*
 
-ENV PATH="/usr/lib/llvm-13/bin/:${PATH}"
+# First clone without submodules
-
-# Install Rust
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | bash -s -- -y
-ENV PATH="/root/.cargo/bin:${PATH}"
-RUN rustup target add wasm32-unknown-unknown
-
-# NodeJS/NPM Dependencies
-RUN npx --package typescript tsc --init
-RUN npm install --global webpack
-RUN npm install --global webpack-cli
-RUN npm install @msgpack/msgpack
-RUN npm install bs58
-
-# Clone and build freenet-core
 WORKDIR /src
-RUN git clone https://github.com/freenet/freenet-core.git freenet
+RUN git clone --depth 1 https://github.com/freenet/freenet-core.git freenet
+
+# Change submodule URLs from SSH to HTTPS
+WORKDIR /src/freenet
+RUN sed -i 's|git@github.com:|https://github.com/|' .gitmodules && \
+    git submodule sync && \
+    git submodule update --init --recursive
+
+# Build the core crate (correct package specification)
 WORKDIR /src/freenet/crates/core
-RUN cargo install --path .
+RUN cargo build --release 
 
 # Stage 2: Runner
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+      ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
 
-RUN DEBIAN_FRONTEND=noninteractive \
+# Copy the compiled binary
-  && apt-get update \
+COPY --from=builder /src/freenet/target/release/freenet /usr/local/bin/freenet
-  && apt-get upgrade -yqq \
-  && apt-get install --no-install-recommends -y \
-    ca-certificates \
-  && apt-get clean \
-  && rm -fr /var/lib/apt/lists/*
-
-# Copy the built binary from the builder stage
-COPY --from=builder /root/.cargo/bin/freenet /usr/local/bin/freenet
 
 CMD ["freenet", "-b", "0.0.0.0"]