Add NOROOTFS version of Dockerfile

Author: Menci

.dockerignore

@@ -3,3 +3,4 @@
 /lib
 /.git
 /Dockerfile
+/Dockerfile.NOROOTFS

Dockerfile.NOROOTFS

@@ -0,0 +1,29 @@
+FROM node:10-buster
+
+# Install OS dependencies
+RUN apt-get update && \
+    apt-get install -y python3 build-essential libboost-all-dev
+
+WORKDIR /app
+
+# Install NPM dependencies
+COPY package.json yarn.lock ./
+RUN yarn --frozen-lockfile
+
+# Copy code and build
+COPY . .
+RUN yarn build
+
+ENV NODE_ENV=production \
+    SYZOJ_JUDGE_RUNNER_INSTANCE=runner \
+    SYZOJ_JUDGE_SANDBOX_ROOTFS_PATH=/rootfs \
+    SYZOJ_JUDGE_WORKING_DIRECTORY=/tmp/working \
+    SYZOJ_JUDGE_BINARY_DIRECTORY=/tmp/binary \
+    SYZOJ_JUDGE_TESTDATA_PATH=/app/testdata \
+    SYZOJ_JUDGE_DO_NOT_USE_X32_ABI=true
+
+VOLUME ["/app/config", "/app/testdata", "/rootfs"]
+
+COPY ./docker-entrypoint.sh /
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["daemon"]