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# syntax=docker/dockerfile:1
# Use official Ubuntu 22.04 as base image
FROM ubuntu:22.04
# Set environment variable to avoid interactive prompts during apt-get installation
ENV DEBIAN_FRONTEND=noninteractive
# --- 1. Install base dependencies, language toolchains and Node.js ---
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates \
curl \
jq \
git \
unzip \
zip \
build-essential \
pkg-config \
python3 \
python3-pip \
pypy3 \
openjdk-17-jdk \
kotlin \
rustc \
cargo \
golang \
# Install Node.js 20.x
&& curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
&& apt-get install -y --no-install-recommends nodejs \
# Clean apt cache
&& rm -rf /var/lib/apt/lists/*
# --- 2. Update npm to latest version ---
RUN npm install -g npm@latest
# --- 3. Install go-judge (auto-detect architecture) ---
RUN set -eux; \
arch="$(uname -m)"; \
case "$arch" in \
x86_64) goarch="amd64" ;; \
aarch64) goarch="arm64" ;; \
*) echo "Unsupported arch: $arch" && exit 1 ;; \
esac; \
url=$(curl -fsSL https://api.github.com/repos/criyle/go-judge/releases/latest \
| jq -r --arg goarch "$goarch" '.assets[] | select(.name | test("linux.*\($goarch).*tar.gz$")) | .browser_download_url' \
| head -n 1); \
echo "Downloading go-judge for $arch ($url)"; \
curl -fsSL "$url" | tar -xz -C /usr/local/bin go-judge; \
chmod +x /usr/local/bin/go-judge
# --- 4. Set application working directory and install Node.js dependencies ---
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm install --omit=dev --ignore-scripts
# --- 5. Copy application code and entry script ---
COPY server.js entrypoint.sh ./
COPY judge/src/ ./src/
COPY judge/include/ ./include/
COPY judge/config/ ./config/
COPY judge/include/ /lib/testlib/
# Ensure entrypoint.sh is executable and fix possible Windows line ending issues
RUN chmod +x entrypoint.sh && sed -i 's/\r$//' entrypoint.sh
# --- 6. Set default environment variables ---
ENV PORT=8081 \
GJ_ADDR=http://127.0.0.1:5050 \
JUDGE_WORKERS=$(nproc) \
GJ_PARALLELISM=$(nproc)
# --- 7. Set container entry point ---
ENTRYPOINT ["/app/entrypoint.sh"] |