fix: include target config for cargo's faulty linker

.cargo/config.toml

@@ -0,0 +1,4 @@
+# This is needed to enable cross-platform docker builds, as cargo doesn't use the correct linker sometimes:
+# https://github.com/rust-lang/cargo/issues/4133
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-linux-gnu-gcc"

docker/fuel-core-nats.Dockerfile

@@ -5,9 +5,6 @@ FROM --platform=$BUILDPLATFORM rust:1.75.0 AS chef
 ARG TARGETPLATFORM
 RUN cargo install cargo-chef && rustup target add wasm32-unknown-unknown
 
-# Add the target platform dynamically
-RUN if [ "${TARGETPLATFORM}" = "linux/arm64" ]; then rustup target add aarch64-unknown-linux-gnu; fi
-
 WORKDIR /build/
 
 COPY --from=xx / /
@@ -23,13 +20,11 @@ RUN apt-get update && \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-
 FROM chef as planner
 ENV CARGO_NET_GIT_FETCH_WITH_CLI=true
 COPY . .
 RUN cargo chef prepare --recipe-path recipe.json
 
-
 FROM chef as builder
 ARG DEBUG_SYMBOLS=false
 ENV CARGO_NET_GIT_FETCH_WITH_CLI=true