Expand Shadowsocks runtime compatibility

deploy/railway-sing-box/entrypoint.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+set -eu
+
+: "${SS_PASSWORD:?Set SS_PASSWORD to a strong test password in Railway variables}"
+
+SS_METHOD="${SS_METHOD:-chacha20-ietf-poly1305}"
+SS_LISTEN_HOST="${SS_LISTEN_HOST:-0.0.0.0}"
+SS_LISTEN_PORT="${SS_LISTEN_PORT:-8388}"
+LOG_LEVEL="${LOG_LEVEL:-info}"
+
+json_escape() {
+  printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g'
+}
+
+SS_METHOD_JSON="$(json_escape "$SS_METHOD")"
+SS_PASSWORD_JSON="$(json_escape "$SS_PASSWORD")"
+LOG_LEVEL_JSON="$(json_escape "$LOG_LEVEL")"
+SS_LISTEN_HOST_JSON="$(json_escape "$SS_LISTEN_HOST")"
+
+mkdir -p /etc/sing-box
+cat >/etc/sing-box/config.json <<EOF
+{
+  "log": {
+    "level": "$LOG_LEVEL_JSON",
+    "timestamp": true
+  },
+  "inbounds": [
+    {
+      "type": "shadowsocks",
+      "tag": "ss-test",
+      "listen": "$SS_LISTEN_HOST_JSON",
+      "listen_port": $SS_LISTEN_PORT,
+      "method": "$SS_METHOD_JSON",
+      "password": "$SS_PASSWORD_JSON"
+    }
+  ],
+  "outbounds": [
+    {
+      "type": "direct",
+      "tag": "direct"
+    }
+  ]
+}
+EOF
+
+echo "starting sing-box Shadowsocks test server on $SS_LISTEN_HOST:$SS_LISTEN_PORT"
+exec sing-box run -c /etc/sing-box/config.json