diff --git a/Dockerfile b/Dockerfile
index 122bba95..6e28d36b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,9 +6,28 @@ ARG GOLANG_IMAGE_TAG=1.24-bookworm
 #
 FROM node:${NODE_IMAGE_TAG} AS build
 ENV PUPPETEER_SKIP_DOWNLOAD=True
+ENV RUST_BUN_VERSION=1.3.9
+ENV RUSTUP_TOOLCHAIN=nightly-2026-01-30
+ENV RUST_WASM_PACK_VERSION=0.14.0
+ENV RUST_BUN_INSTALL=/root/.bun
+ENV PATH=${RUST_BUN_INSTALL}/bin:/root/.cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 
 # git + build toolchain for git deps
-RUN apt-get update && apt-get install -y git python3 build-essential && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends git python3 build-essential curl ca-certificates unzip && \
+    rm -rf /var/lib/apt/lists/*
+
+# bun + rust toolchains for whatsapp-rust-bridge prepare scripts
+RUN set -eux; \
+    mkdir -p "${RUST_BUN_INSTALL}"; \
+    curl -fsSL https://bun.sh/install | bash -s -- bun-v${RUST_BUN_VERSION}; \
+    curl -fsSL https://sh.rustup.rs | bash -s -- -y --default-toolchain ${RUSTUP_TOOLCHAIN}; \
+    /root/.cargo/bin/rustup target add wasm32-unknown-unknown; \
+    /root/.cargo/bin/cargo install wasm-pack --vers ${RUST_WASM_PACK_VERSION} --locked; \
+    "${RUST_BUN_INSTALL}/bin/bun" --version; \
+    /root/.cargo/bin/cargo --version; \
+    /root/.cargo/bin/rustc --version; \
+    /root/.cargo/bin/wasm-pack --version
 
 # npm packages
 WORKDIR /git