Add Dockerfile

Author: NoahAndrews

Dockerfile

@@ -0,0 +1,19 @@
+FROM ubuntu:18.04
+
+# NOTE: This Dockerfile needs to be manually updated if the kernel or Android version is updated.
+
+# Run these commands to build the kernel.
+# docker build --tag ch-kernel-build .
+# docker run -i -t -v .:/build/kernel ch-kernel-build
+
+RUN apt-get update -y && apt-get install -y python build-essential git
+
+ENV GCC_PARENT=/build/prebuilts/gcc/linux-x86/aarch64/
+RUN mkdir -p $GCC_PARENT \
+    && cd $GCC_PARENT \
+    && git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9 \
+    && cd aarch64-linux-android-4.9 \
+    && git checkout refs/tags/android-7.1.2_r6
+
+WORKDIR /build/kernel
+ENTRYPOINT ["./build-rk3328-kernel.sh"]