| set -e | |
| WORKSPACE_DIR="$(pwd)" | |
| AGENT_TOOL="${1:-aider}" # Defaults to aider, or pass 'claude' | |
| echo "🔒 Initializing Hardened Agent Sandbox Session for $AGENT_TOOL..." | |
| # 1. Generate an unprivileged, clean context environment file | |
| # Excludes local host user env vars, cloud tokens, and sensitive system paths | |
| env -i HOME="/home/agent" PATH="/usr/local/bin:/usr/bin:/bin" USER="agent" \ | |
| LC_ALL="en_US.UTF-8" LANG="en_US.UTF-8" \ | |
| GIT_AUTHOR_NAME="AI-Agent-$AGENT_TOOL" \ | |
| GIT_AUTHOR_EMAIL="agents+$AGENT_TOOL@internal.net" \ | |
| GIT_COMMITTER_NAME="AI-Agent-$AGENT_TOOL" \ | |
| GIT_COMMITTER_EMAIL="agents+$AGENT_TOOL@internal.net" \ | |
| > /tmp/clean_agent_env.env | |
| # 2. Execute container with hard resource limits, masked secrets, and dropped privileges | |
| docker run -it --rm \ | |
| --name "agent_session_$(date +%s)" \ | |
| --network none \ | |
| --memory="2g" \ | |
| --cpus="1.5" \ | |
| --pids-limit="128" \ | |
| --read-only \ | |
| --tmpfs /tmp:rw,noexec,nosuid,size=64m \ | |
| --tmpfs /home/agent:rw,noexec,nosuid,size=32m \ | |
| --user "1000:1000" \ | |
| --env-file /tmp/clean_agent_env.env \ | |
| -v "$WORKSPACE_DIR":/workspace:rw \ | |
| -v "$WORKSPACE_DIR"/.git:/workspace/.git:rw \ | |
| -w /workspace \ | |
| --mount type=bind,source=/dev/null,target=/workspace/.env \ | |
| --mount type=bind,source=/dev/null,target=/workspace/config/secrets.json \ | |
| coder-agent-image:latest "$AGENT_TOOL" | |