Update Dockerfile

Dockerfile

@@ -5,8 +5,6 @@ FROM node:20-slim AS builder
 ARG requirements="requests yt-dlp"
 ARG PACKAGES="n8n"
 ARG WORKDIR=/app
-ARG DUMP_URL
-ARG DUMP_PASSWORD
 
 # 安装 Python3、venv 以及必要的系统工具
 RUN apt-get update && apt-get install -y python3 python3-venv curl gnupg build-essential && \
@@ -23,6 +21,8 @@ RUN python3 -m venv $VIRTUAL_ENV && \
 FROM postgres:latest
 
 # 设置构建时变量
+ARG DUMP_URL
+ARG DUMP_PASSWORD
 ARG POSTGRES_USER=n8n
 ARG POSTGRES_PASSWORD=n8n
 ARG POSTGRES_DB=n8n
@@ -52,7 +52,8 @@ ENV POSTGRES_USER=${POSTGRES_USER} \
     DB_POSTGRESDB_USER=${POSTGRES_USER} \
     DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD} \
     DB_POSTGRESDB_DATABASE=${POSTGRES_DB} \
-    PATH="${VIRTUAL_ENV}/bin:/usr/local/lib/node_modules/n8n/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH"
+    ENV VIRTUAL_ENV=$WORKDIR/venv
+    PATH="$VIRTUAL_ENV/bin:/usr/local/lib/node_modules/n8n/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH"
 
 # 复制构建阶段的 Node.js 和 n8n
 COPY --from=builder /usr/local/bin/node /usr/local/bin/