feat: supports custom prepare build script (#1490)

plugins/wasm-rust/Dockerfile

@@ -1,11 +1,12 @@
 FROM rust:1.80 as builder
 WORKDIR /workspace
-RUN apt update && apt-get install gcc gcc-multilib llvm clang -y && apt clean
 RUN rustup target add wasm32-wasi
 ARG PLUGIN_NAME="say-hello"
 ARG BUILD_OPTS="--release"
+ARG BUILDRC=".buildrc"
 COPY . .
 WORKDIR /workspace/extensions/$PLUGIN_NAME
+RUN if [ -f $BUILDRC ]; then sh $BUILDRC; fi
 RUN cargo build --target wasm32-wasi $BUILD_OPTS \
     && cp target/wasm32-wasi/release/*.wasm /main.wasm
 

plugins/wasm-rust/DockerfileBuilder

@@ -8,10 +8,7 @@ FROM $BASE_IMAGE
 
 LABEL rust_version=$RUST_VERSION oras_version=$ORAS_VERSION
 
-RUN apt-get update \
-  && apt-get install -y wget gcc gcc-multilib llvm clang \
-  && rustup target add wasm32-wasi \
-  && rm -rf /var/lib/apt/lists/*
+RUN rustup target add wasm32-wasi
 
 RUN arch="$(dpkg --print-architecture)"; arch="${arch##*-}"; \
     rust_version=${RUST_VERSION:-1.82}; \

plugins/wasm-rust/extensions/ai-data-masking/.buildrc

@@ -0,0 +1 @@
+apt update && apt-get install gcc gcc-multilib llvm clang -y && apt clean