Dockerfile.openwebui

FROM ghcr.io/open-webui/open-webui:main

# Create CTF flag in the data directory
# This will be in the container's filesystem, but the volume mount will override it
# So we need to handle this differently - we'll create an init script

RUN mkdir -p /docker-entrypoint-init.d

RUN cat > /docker-entrypoint-init.d/01-create-ctf-flag.sh << 'EOF'
#!/bin/bash
# This script runs on container startup to ensure the CTF flag exists

CTF_DIR="/app/backend/data/ctf"
FLAG_FILE="$CTF_DIR/flag.txt"

# Create CTF directory if it doesn't exist
if [ ! -d "$CTF_DIR" ]; then
    mkdir -p "$CTF_DIR"
    echo "Created CTF directory: $CTF_DIR"
fi

# Create flag file if it doesn't exist
if [ ! -f "$FLAG_FILE" ]; then
    echo "{flag:${CTF_FLAG_CHALLENGE_8}}" > "$FLAG_FILE"
    chmod 644 "$FLAG_FILE"
    echo "Created CTF flag at: $FLAG_FILE"
else
    echo "CTF flag already exists at: $FLAG_FILE"
fi
EOF

RUN chmod +x /docker-entrypoint-init.d/01-create-ctf-flag.sh

# Create a custom entrypoint that runs our init scripts
RUN cat > /custom-entrypoint.sh << 'EOF'
#!/bin/bash
set -e

# Run all init scripts
for script in /docker-entrypoint-init.d/*.sh; do
    if [ -f "$script" ] && [ -x "$script" ]; then
        echo "Running init script: $script"
        "$script"
    fi
done

# Execute the original entrypoint
exec /app/backend/start.sh "$@"
EOF

RUN chmod +x /custom-entrypoint.sh

ENTRYPOINT ["/custom-entrypoint.sh"]