Implement .env configuration

bin/serve-mcp.sh

@@ -5,6 +5,48 @@ HOST="${MCP_HOST:-0.0.0.0}"
 PORT="${MCP_PORT:-8787}"
 ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 
+load_env_file() {
+  local env_file="$1"
+  local line key value first last comment_start
+
+  [[ -r "${env_file}" ]] || return 0
+
+  while IFS= read -r line || [[ -n "${line}" ]]; do
+    line="${line#"${line%%[![:space:]]*}"}"
+    line="${line%"${line##*[![:space:]]}"}"
+
+    [[ -z "${line}" || "${line}" == \#* || "${line}" != *=* ]] && continue
+
+    key="${line%%=*}"
+    value="${line#*=}"
+    key="${key%"${key##*[![:space:]]}"}"
+    value="${value#"${value%%[![:space:]]*}"}"
+    value="${value%"${value##*[![:space:]]}"}"
+
+    [[ "${key}" =~ ^[A-Za-z_][A-Za-z0-9_]*$ ]] || continue
+    [[ -v "${key}" ]] && continue
+
+    first="${value:0:1}"
+    last="${value: -1}"
+    if [[ "${#value}" -ge 2 && ( ( "${first}" == "'" && "${last}" == "'" ) || ( "${first}" == '"' && "${last}" == '"' ) ) ]]; then
+      value="${value:1:${#value}-2}"
+    else
+      comment_start="${value%%" #"*}"
+      if [[ "${comment_start}" != "${value}" ]]; then
+        value="${comment_start}"
+        value="${value%"${value##*[![:space:]]}"}"
+      fi
+    fi
+
+    export "${key}=${value}"
+  done < "${env_file}"
+}
+
+load_env_file "${ROOT}/.env"
+
+HOST="${MCP_HOST:-${HOST}}"
+PORT="${MCP_PORT:-${PORT}}"
+
 if [[ "${MCP_ALLOW_UNAUTHENTICATED:-}" != "1" && -z "${MCP_AUTH_TOKEN:-}" ]]; then
   MCP_AUTH_TOKEN="$(php -r 'echo bin2hex(random_bytes(24));')"
   export MCP_AUTH_TOKEN