aigen
Browse files- Dockerfile +111 -0
- README.md +0 -10
- import-db.sh +42 -0
- run.sh +27 -0
Dockerfile
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1 |
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# 基础构建阶段:用于构建和安装依赖
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FROM python:3.10-slim AS builder
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# 设置构建时变量
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ARG requirements
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ARG NODEJS_VER=20
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ARG PACKAGES=n8n
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ARG WORKDIR=/app
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ARG DUMP_URL
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ARG DUMP_PASSWORD
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# 安装 Node.js、n8n 以及必要的系统工具
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RUN apt-get update && apt-get install -y curl gnupg build-essential && \
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curl -fsSL https://deb.nodesource.com/setup_${NODEJS_VER}.x | bash - && \
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apt-get install -y nodejs && \
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npm install -g ${PACKAGES} && \
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apt-get clean && rm -rf /var/lib/apt/lists/*
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# 设置 Python 虚拟环境
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ENV VIRTUAL_ENV=/opt/venv
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RUN python3 -m venv $VIRTUAL_ENV && \
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$VIRTUAL_ENV/bin/pip install --upgrade pip && \
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$VIRTUAL_ENV/bin/pip install ${requirements:-requests}
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# 主运行阶段:基于较小的 PostgreSQL 镜像
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FROM postgres:latest
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# 设置环境变量
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ARG POSTGRES_USER=n8n
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ARG POSTGRES_PASSWORD=n8n
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ARG POSTGRES_DB=n8n
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ARG WEBHOOK_URL=https://aigenai-db.hf.space/
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ARG WORKDIR=/app
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ARG DB_IMPORT=no # 新增 ARG 用于控制数据库导入
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# 设置 n8n 环境变量
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ENV N8N_HOST=0.0.0.0 \
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N8N_PORT=7860 \
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N8N_PROTOCOL=https \
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WEBHOOK_URL=${WEBHOOK_URL} \
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GENERIC_TIMEZONE=Asia/Shanghai \
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N8N_METRICS=true \
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QUEUE_HEALTH_CHECK_ACTIVE=true \
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N8N_PAYLOAD_SIZE_MAX=256
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# 设置数据库连接相关的环境变量
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ENV DB_TYPE=postgresdb \
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DB_POSTGRESDB_HOST=localhost \
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DB_POSTGRESDB_PORT=5432 \
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DB_POSTGRESDB_USER=${POSTGRES_USER} \
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DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD} \
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DB_POSTGRESDB_DATABASE=${POSTGRES_DB}
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# 设置 Python 环境变量
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ENV VIRTUAL_ENV=/opt/venv \
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PATH="$VIRTUAL_ENV/bin:$PATH"
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# 复制构建阶段的 n8n 和 Python 运行环境
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COPY --from=builder /usr/local/bin/node /usr/local/bin/node
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COPY --from=builder /usr/local/lib/node_modules /usr/local/lib/node_modules
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COPY --from=builder $VIRTUAL_ENV $VIRTUAL_ENV
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# 安装必要的软件包
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RUN apt-get update && apt-get install -y \
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curl unzip gnupg build-essential sudo vim git procps lsof net-tools \
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ca-certificates openssl tzdata python3-venv gosu \
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htop jq wget && \
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ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
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dpkg-reconfigure --frontend noninteractive tzdata
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# 设置工作目录并复制启动脚本
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WORKDIR ${WORKDIR}
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COPY run.sh ${WORKDIR}/run.sh
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RUN chmod +x ${WORKDIR}/run.sh
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# 更改现有的 postgres 用户 UID 和 GID 为 1000
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USER root
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RUN usermod -u 1000 postgres && groupmod -g 1000 postgres && \
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chown -R postgres:postgres /var/lib/postgresql && \
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chown -R postgres:postgres /var/run/postgresql
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# 切换到 postgres 用户,初始化数据库并创建角色
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USER postgres
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RUN initdb -D /var/lib/postgresql/data && \
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pg_ctl start -D /var/lib/postgresql/data && \
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psql --command "CREATE ROLE $POSTGRES_USER WITH LOGIN SUPERUSER PASSWORD '$POSTGRES_PASSWORD';" && \
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createdb -O $POSTGRES_USER $POSTGRES_DB && \
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pg_ctl stop -D /var/lib/postgresql/data
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# 复制数据库导入脚本和数据文件
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COPY dump.sql /docker-entrypoint-initdb.d/
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# 添加条件导入的 shell 脚本
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COPY import-db.sh /docker-entrypoint-initdb.d/
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RUN chmod +x /docker-entrypoint-initdb.d/import-db.sh
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# 脚本 import-db.sh 的内容:
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# #!/bin/bash
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# if [ "$DB_IMPORT" = "yes" ]; then
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# echo "Importing database dump..."
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# psql -U $POSTGRES_USER -d $POSTGRES_DB -f /docker-entrypoint-initdb.d/dump.sql
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# else
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# echo "Skipping database import."
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# fi
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# 健康检查配置(可选)
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HEALTHCHECK --interval=120s --timeout=10s --start-period=10s --retries=3 \
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CMD curl -f http://localhost:7860/HEALTHZ || exit 1
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# 启动容器时执行run.sh脚本
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CMD ["./run.sh"]
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README.md
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---
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title: N8n Db
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emoji: 🐠
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colorFrom: gray
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colorTo: red
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sdk: docker
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pinned: false
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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import-db.sh
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#!/bin/bash
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# 检查是否需要导入数据库
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if [ "$DB_IMPORT" = "yes" ]; then
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echo "Starting database import..."
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# 读取下载 URL 和解压密码(如果有)
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DUMP_URL=${DUMP_URL:-""} # 数据库 dump 文件的下载 URL
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DUMP_PASSWORD=${DUMP_PASSWORD:-""} # 如果 dump 文件有密码保护
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# 检查 URL 是否为空
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if [ -z "$DUMP_URL" ]; then
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echo "DUMP_URL is not set. Skipping database import."
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# 不退出,仅跳过导入步骤
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exit 0
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fi
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# 下载数据库 dump 文件
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echo "Downloading dump file from $DUMP_URL..."
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wget -O /tmp/dump.sql "$DUMP_URL" || { echo "Failed to download dump file."; exit 1; }
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# 检查文件是否有密码保护,并使用 pg_restore 或 psql 进行导入
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if [ -n "$DUMP_PASSWORD" ]; then
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echo "Dump file is protected with a password."
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# 使用 pg_restore 导入
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PGPASSWORD="$DUMP_PASSWORD" pg_restore -U $DB_POSTGRESDB_USER -d $DB_POSTGRESDB_DATABASE /tmp/dump.sql || {
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echo "Failed to import dump file with password."; exit 1;
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}
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else
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echo "Dump file is not password protected."
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# 使用 psql 直接导入
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psql -U $DB_POSTGRESDB_USER -d $DB_POSTGRESDB_DATABASE -f /tmp/dump.sql || {
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echo "Failed to import dump file."; exit 1;
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}
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fi
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echo "Database import completed successfully."
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else
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echo "Skipping database import."
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fi
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run.sh
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#!/bin/bash
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# 确保以 postgres 用户身份运行
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if [ "$(id -u)" -ne 1000 ]; then
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echo "切换到 UID 为 1000 的 postgres 用户运行"
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exec gosu postgres "$0" "$@"
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fi
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# 启动 PostgreSQL 服务
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docker-entrypoint.sh postgres &
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# 检查 PostgreSQL 服务是否已启动
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echo "等待 PostgreSQL 服务启动..."
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until pg_isready -h localhost; do
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sleep 5
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done
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echo "PostgreSQL 服务已启动!"
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# export N8N_USER_FOLDER=${DATA_DIR}
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export N8N_ENCRYPTION_KEY="n8n8n8n"
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# Allows usage of all builtin modules
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export NODE_FUNCTION_ALLOW_BUILTIN=*
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# Allow usage of external npm modules.
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export NODE_FUNCTION_ALLOW_EXTERNAL=*
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# 启动 n8n
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exec n8n
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