Update Dockerfile

Dockerfile

@@ -54,7 +54,7 @@ RUN if [ "$RUN_LOCALLY" = "true" ]; then export GGML_CUDA=OFF; fi && \
     echo "GGML_CUDA=$GGML_CUDA" && \
     cd /app/llama.cpp && \
     cmake -B build -DBUILD_SHARED_LIBS=OFF -DGGML_CUDA=${GGML_CUDA} && \
-    cmake --build build --config Release -j --target llama-quantize llama-gguf-split llama-imatrix && \
+    cmake --build build --config Release -j2 --target llama-quantize llama-gguf-split llama-imatrix && \
     cp ./build/bin/llama-* . && \
     rm -rf build