migrate to one service

Dockerfile

@@ -2,29 +2,17 @@ FROM golang:1.24-bookworm AS builder
 
 RUN apt-get update && apt-get install -y git
 
-# Клонируем репозиторий и собираем приложение
 WORKDIR /outline-sdk
 RUN git clone https://github.com/OutlineFoundation/outline-sdk.git .
 WORKDIR /outline-sdk/x/examples/outline-cli
 
 RUN CGO_ENABLED=1 go build -o /outline-cli -ldflags="-extldflags=-static" .
 
-FROM debian:bookworm
+FROM lscr.io/linuxserver/wireguard:latest
-RUN apt-get update && apt-get install -y curl wget
-# Устанавливаем необходимые утилиты для работы сети и создаем пустой resolv.conf.head
-RUN apt-get update && apt-get install -y iproute2 iptables && \
-    rm -rf /var/lib/apt/lists/* && \
-    touch /etc/resolv.conf.head
 
-# Копируем собранный бинарный файл из этапа сборки
 COPY --from=builder /outline-cli /usr/local/bin/outline-cli
+COPY root/ /
 
-# Обертка-энтрипоинт: готовит DNS и запускает outline-cli
+RUN chmod +x /usr/local/bin/outline-cli \
-COPY entrypoint.sh /usr/local/bin/outline-entrypoint.sh
+    /custom-cont-init.d/* \
-
+    /etc/s6-overlay/s6-rc.d/svc-outline/run
-# Делаем бинарный файл исполняемым
-RUN chmod +x /usr/local/bin/outline-cli /usr/local/bin/outline-entrypoint.sh
-
-# Точка входа
-ENTRYPOINT ["/usr/local/bin/outline-entrypoint.sh"]
-

docker-compose.yml

@@ -1,19 +1,27 @@
 services:
-  outline-client:
+  wg2outline:
     build: .
-    container_name: outline-client
+    container_name: wg2outline
     privileged: true
-    # WireGuard UDP port is published from this service because
-    # the wireguard container shares this network namespace.
     ports:
       - "51821:51820/udp"
     environment:
-      # Replace with your Outline access key.
       OUTLINE_TRANSPORT: "${OUTLINE_TRANSPORT}"
       INTERNAL_SUBNET: "${INTERNAL_SUBNET}"
+      PUID: 1000
+      PGID: 1000
+      TZ: Etc/UTC
+      SERVERURL: ${SERVERURL}
+      SERVERPORT: 51821
+      PEERS: ${PEERS:-1}
+      PEERDNS: 1.1.1.1
+      PERSISTENTKEEPALIVE_PEERS: 25
+      MTU: 1280
+      LOG_CONFS: true
     cap_add:
       - NET_ADMIN
       - SYS_ADMIN
+      - SYS_MODULE
     devices:
       - /dev/net/tun:/dev/net/tun
     security_opt:
@@ -26,45 +34,9 @@ services:
       - net.ipv6.conf.all.forwarding=0
       - net.ipv6.conf.all.disable_ipv6=1
       - net.ipv6.conf.default.disable_ipv6=1
-    restart: unless-stopped
-    logging:
-      driver: json-file
-      options:
-        max-size: "50m"
-        max-file: "5"
-
-  wireguard:
-    image: lscr.io/linuxserver/wireguard:latest
-    container_name: wg2outline
-    depends_on:
-      - outline-client
-    # Important: share network stack with outline-client so all
-    # traffic from WG peers leaves through Outline routing/policy.
-    network_mode: "service:outline-client"
-    cap_add:
-      - NET_ADMIN
-      - SYS_MODULE
-    environment:
-      - PUID=1000
-      - PGID=1000
-      - TZ=Etc/UTC
-      # Public IP or domain of this server for peers.
-      - SERVERURL=${SERVERURL}
-      - SERVERPORT=51821
-      - PEERS=${PEERS:-1}
-      - PEERDNS=1.1.1.1
-      - INTERNAL_SUBNET=${INTERNAL_SUBNET}
-      # Keepalive helps on NAT/mobile networks.
-      - PERSISTENTKEEPALIVE_PEERS=25
-      # Optional for enterprise networks that block MTU/fragmentation.
-      - MTU=1280
-      # Firewall/NAT is handled by the host/namespace setup.
-      - LOG_CONFS=true
     volumes:
       - ./wireguard-config:/config
       - /lib/modules:/lib/modules:ro
-    sysctls:
-      - net.ipv4.conf.all.src_valid_mark=1
     restart: unless-stopped
     logging:
       driver: json-file

root/custom-cont-init.d/10-outline-dns

@@ -0,0 +1,6 @@
+#!/usr/bin/with-contenv bash
+
+# Some distros mount /etc/resolv.conf as a file from the host.
+# Ensure DNS works reliably inside the VPN network namespace.
+umount /etc/resolv.conf 2>/dev/null || true
+[ -f /etc/resolv.conf ] || printf 'nameserver 1.1.1.1\n' > /etc/resolv.conf

root/etc/s6-overlay/s6-rc.d/svc-outline/run

@@ -0,0 +1,82 @@
+#!/usr/bin/with-contenv bash
+set -eu
+
+if [ -z "${OUTLINE_TRANSPORT:-}" ]; then
+  echo "ERROR: OUTLINE_TRANSPORT is required (ss://...)" >&2
+  exit 1
+fi
+
+if [ -z "${INTERNAL_SUBNET:-}" ]; then
+  echo "ERROR: INTERNAL_SUBNET is required (e.g. 10.13.13.0)" >&2
+  exit 1
+fi
+
+WG_FWMARK=0x51820
+WG_SUBNET="${INTERNAL_SUBNET}/24"
+
+apply_bypass_rules() {
+  # WireGuard UDP replies go to the peer's public IP, not the WG subnet.
+  # Mark and bypass Outline policy routing for those packets.
+  ip rule add pref 50 fwmark "${WG_FWMARK}" lookup main 2>/dev/null || true
+
+  # Inner IP traffic to WG peers must use the main table (replies via wg0).
+  ip rule add pref 100 to "${WG_SUBNET}" lookup main 2>/dev/null || true
+
+  # Docker/custom bridge subnets differ per host (e.g. 172.17.0.0/16, 10.200.0.0/16).
+  local pref=101
+  local cidr
+  for cidr in $(ip -4 route show proto kernel scope link 2>/dev/null | awk '$2 == "dev" { print $1 }'); do
+    ip rule add pref "${pref}" to "${cidr}" lookup main 2>/dev/null || true
+    pref=$((pref + 1))
+  done
+}
+
+setup_wg_mangle() {
+  local wg_port="$1"
+  if iptables -t mangle -C OUTPUT -p udp --sport "${wg_port}" -j MARK --set-mark "${WG_FWMARK}" 2>/dev/null; then
+    return 0
+  fi
+  iptables -t mangle -A OUTPUT -p udp --sport "${wg_port}" -j MARK --set-mark "${WG_FWMARK}"
+}
+
+wait_for_outline_routing() {
+  local i
+  for i in $(seq 1 30); do
+    if ip link show outline233 >/dev/null 2>&1 && ip rule show | grep -q 'lookup 233'; then
+      return 0
+    fi
+    sleep 1
+  done
+  echo "WARN: Outline routing not ready after 30s, applying bypass rules anyway" >&2
+  return 1
+}
+
+/usr/local/bin/outline-cli -transport "${OUTLINE_TRANSPORT}" &
+OUTLINE_PID=$!
+
+wait_for_outline_routing || true
+apply_bypass_rules
+setup_wg_mangle "${SERVERPORT:-51820}"
+
+# wg0 starts after this service; refresh rules once the interface and listen port are known.
+(
+  for _ in $(seq 1 60); do
+    if ip link show wg0 >/dev/null 2>&1; then
+      wg_port="$(wg show wg0 listen-port 2>/dev/null || echo "${SERVERPORT:-51820}")"
+      setup_wg_mangle "${wg_port}"
+      apply_bypass_rules
+      break
+    fi
+    sleep 2
+  done
+) &
+
+# Ensure exactly one NAT rule for traffic leaving via Outline interface.
+if iptables -t nat -C POSTROUTING -o outline+ -j MASQUERADE 2>/dev/null; then
+  while iptables -t nat -C POSTROUTING -o outline+ -j MASQUERADE 2>/dev/null; do
+    iptables -t nat -D POSTROUTING -o outline+ -j MASQUERADE || true
+  done
+fi
+iptables -t nat -A POSTROUTING -o outline+ -j MASQUERADE
+
+wait "$OUTLINE_PID"

root/etc/s6-overlay/s6-rc.d/svc-outline/type

@@ -0,0 +1 @@
+longrun