feat: publish CodexPi contest snapshot

scripts/compose.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+docker_socket="/var/run/docker.sock"
+if [[ ! -S "$docker_socket" ]]; then
+  echo "Socket Docker introuvable: $docker_socket" >&2
+  exit 1
+fi
+
+# Docker authorizes socket access by numeric GID. Detect it for every Compose
+# invocation so CodexPi keeps working if Docker recreates the socket with a
+# different host group after an upgrade or reboot. An exported value takes
+# precedence over the installation-time fallback stored in .env.
+export DOCKER_GID="$(stat -c '%g' "$docker_socket")"
+
+if docker compose version >/dev/null 2>&1; then
+  exec docker compose "$@"
+fi
+if command -v docker-compose >/dev/null 2>&1; then
+  exec docker-compose "$@"
+fi
+
+# DietPi may provide the Docker engine without the Compose plugin. Reuse the
+# pinned Docker CLI image instead of installing a global host package. Mounting
+# the repository at the same absolute path keeps all relative bind mounts
+# deterministic from the daemon's point of view.
+base="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+exec docker run --rm \
+  -e DOCKER_GID="$DOCKER_GID" \
+  -v "$docker_socket:$docker_socket" \
+  -v "$base:$base" \
+  -w "$base" \
+  docker:cli compose "$@"