FROM debian:bookworm-slim

LABEL description="dante SOCKS5 + purevpn-cli exit node"

# ── System dependencies (all in one layer so apt cache is fresh for installer) ─
RUN apt-get update && apt-get install -y --no-install-recommends \
        dante-server \
        curl wget ca-certificates \
        iproute2 iptables iputils-ping \
        netcat-openbsd procps dnsutils \
        expect \
        openvpn wireguard wireguard-tools \
        net-tools openresolv \
    && rm -rf /var/lib/apt/lists/*

# ── Install purevpn-cli ───────────────────────────────────────────────────────
# Pre-installing its dependencies above means the installer's own apt calls
# find everything already present and skip cleanly.
# Binary lands at /opt/purevpn-cli/bin/purevpn-cli
RUN curl -fsSL https://apps.purevpn-tools.com/cross-platform/linux-cli/production/cli-install.sh \
        -o /tmp/cli-install.sh \
    && bash /tmp/cli-install.sh \
    && rm -f /tmp/cli-install.sh

# ── Fake sudo wrapper ─────────────────────────────────────────────────────────
# purevpn-cli calls `sudo purevpn-cli --connect X --install-missing-components`
# which crashes in its own pkg/Node.js bootstrap (bug in the CLI).
# Since we are root and pre-installed all VPN packages, we intercept that flag
# and exit 0 so the parent process continues to the actual connect step.
RUN printf '#!/bin/sh\nfor a in "$@"; do\n  case "$a" in\n    --install-missing-components)\n      echo "[sudo] skipping --install-missing-components (pre-installed)"\n      exit 0 ;;\n  esac\ndone\nexec "$@"\n' \
    > /usr/local/bin/sudo && chmod +x /usr/local/bin/sudo

# ── PATH: installer puts binary in /opt/purevpn-cli/bin/ ─────────────────────
ENV PATH=/opt/purevpn-cli/bin:/opt/purevpn-cli:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

# ── Location list ─────────────────────────────────────────────────────────────
COPY servers.txt /etc/vpndock/servers.txt

# ── Entrypoint ────────────────────────────────────────────────────────────────
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

EXPOSE 1080

ENTRYPOINT ["/entrypoint.sh"]