mkdir the app/target

Dockerfile

@@ -16,13 +16,15 @@ RUN cargo chef prepare --recipe-path recipe.json
 # Caching stage
 FROM chef AS cacher
 COPY --from=planner /app/recipe.json recipe.json
-RUN --mount=type=cache,target=/usr/local/cargo/registry \
+RUN mkdir -p /app/target && \
+    --mount=type=cache,target=/usr/local/cargo/registry \
     --mount=type=cache,target=/app/target \
     cargo chef cook --release --recipe-path recipe.json
 
 # Final Rust build stage
 FROM chef AS builder
 COPY . .
+RUN mkdir -p target
 COPY --from=cacher /app/target target
 RUN --mount=type=cache,target=/usr/local/cargo/registry \
     --mount=type=cache,target=/app/target \
@@ -35,11 +37,11 @@ WORKDIR /calcite-rs-jni
 # Install required packages
 RUN apt-get update && apt-get install -y \
     maven \
-    gradle \
     python3 \
     python3-venv \
     python3-pip \
     ca-certificates \
+    git \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy project files
@@ -55,6 +57,9 @@ COPY calcite-rs-jni/build.sh ./
 
 # Make build script executable and run it with DOCKER_BUILD flag
 RUN chmod +x build.sh && \
+    chmod +x calcite/gradlew
+RUN --mount=type=cache,target=/root/.gradle \
+    --mount=type=cache,target=/root/.m2 \
     DOCKER_BUILD=1 ./build.sh
 
 # Runtime stage