# CTFd搭建教程 > 本次安装使用Docker Swarm集群，针对中大型比赛建议使用本教程，从机只需要docker join加入swarm集群即可 ## 安装docker ```shell curl -fsSL https://download.imxbt.cn/getdocker -o get-docker.sh DOWNLOAD_URL=https://mirrors.ustc.edu.cn/docker-ce sh get-docker.sh ``` ### 添加镜像加速源 ```shell echo '{"registry-mirrors": ["https://dh.imxbt.cn"]}' | sudo tee /etc/docker/daemon.json ``` ## 安装CTFd和whale ```d # Git拉取CTFd mkdir -p /opt/ cd /opt git clone https://mirror.ghproxy.com/https://github.com/CTFd/CTFd.git # 拉取whale cd CTFd/CTFd/plugins git clone https://mirror.ghproxy.com/https://github.com/frankli0324/ctfd-whale.git ctfd-whale cd ctfd-whale ``` ### 配置docker-compose > 这部分根据自己实际情况配置 ```shell cd /opt/CTFd nano docker-compose.yml ``` ### 修改Dockerfile ```shell cd /opt/CTFd nano Dockerfile ``` 在 `WORKDIR /opt/CTFd` 下一行新增换源内容，以加快拉取速度 ```dockerfile RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources ``` 在 `pip install` 处后面添加(2处) ``` -i https://pypi.tuna.tsinghua.edu.cn/simple ``` ### 编译并运行CTFd ```shell docker compose build docker compose up -d docker network connect frpcadmin <CTFd容器id> ``` 全部拉取后提示started即可通过8000端口访问CTFd,也可以自行配置NGINX实现80/443端口访问 ## 初始化 首先在CTFd的机器上初始化一个Docker Swarm ```shell docker swarm init docker node update --label-add='name=ctfd_frp-containers' $(docker node ls -q) docker node update --label-add "name=linux-1" $(docker node ls -q) ``` 访问CTFd web页面之后一切设置完毕后到管理面板进行设置，找到whale  出现如图所示即是whale插件安装成功 ### （单机）编辑docker-compose ```shell cd /opt/CTFd nano docker-compose.yml ``` 在services.ctfd.volumes中加入 ```yaml - /var/run/docker.sock:/var/run/docker.sock ``` 使其可以映射到docker的API ### （集群）使Docker Swarm可以被连接 > 此方案的缺点是如果远程访问没有TLS的话会有安全风险，建议内网访问不要开放到公网 ``` systemctl edit docker.service ``` 在如下行 ```shell ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock ``` 追加内容 ```shell -H tcp://0.0.0.0:2375 ``` 重启应用即可 ```shell systemctl daemon-reload && systemctl restart docker ``` ### 编辑frp 在 `/opt/CTFd/conf/frp/` 中新建一个 `frps.ini和frpc.ini` 并填入如下内容 > frps.ini ```ini [common] bind_addr = 0.0.0.0 #这里做演示使用的IP，为了安全请及时更换 bind_port = 7897 token = ctfdmaster ``` > frpc.ini ```ini [common] server_addr = frps $这里代指frps的docker IP server_port = 7897 token = ctfdmaster admin_addr = 0.0.0.0 #这里做演示使用的IP，为了安全请及时更换 admin_port = 7400 admin_user = user admin_pwd = pwd ``` #### 编辑docker-compose 在CTFd的docker-compose.yml中找到networks追加 ```yaml frp_admin: internal: true frp_containers: driver: overlay internal: true attachable: true ``` 在services中追加如下 ```yaml frps: image: snowdreamtech/frps:0.30.0 restart: always volumes: - ./conf/frp/frps.ini:/etc/frp/frps.ini entrypoint: - /usr/bin/frps - '-c' - /etc/frp/frps.ini ports: - '34000-35000:34000-35000' #题目端口范围 networks: frp_admin: default: frpc: image: snowdreamtech/frpc:0.30.0 restart: always ports: - 7400:7400 volumes: - ./conf/frp/frpc.ini:/etc/frp/frpc.ini #配置文件在CTFd/conf/frp/frpc.ini中 entrypoint: - /usr/bin/frpc - '-c' - /etc/frp/frpc.ini depends_on: - frps networks: frp_admin: frp_containers: ``` 并在services.ctfd中修改如下 ```yaml services: ... ctfd: ... depends_on: ... - frpc networks: ... frp_admin: ``` 重启docker compose容器即可 ### 配置API 回到whale设置页面，在Docker页面的API URL中设置 ``` tcp://172.17.0.1:2375 ``` 即可连接到Docker API 在frp页面的API URL中填写如下即可连接到frpc，如果没有配置admin账密直接填写 `http://frpc:7400` ``` http://user:pwd@frpc:7400 ``` **Direct IP Address**填写服务器IP或者域名即可，direct minimum port和direct maximum port是转发用的端口范围，要和docker-compose中的frps配置的端口范围相匹配 在Frpc config template中填写，即可完成连接Frp ```ini [common] server_addr = frps server_port = 7897 token = ctfdmaster ``` 全部配置完成之后，DockerAPI和FRP API不可连接的报错理应是消失的，如下图  > 此配置默认使用直连方式暴露docker题目，所以在添加题目的时候动态容器的Frp Redirect Type应该指定为 Direct ### 无法启动容器 无法启动容器的报错：`The network ctfd_frp-containers cannot be used with services. Only networks scoped to the swarm can be used, such as those created with the overlay driver.` 请确保你在docker-compose中正确设置frp-containers这个network网络名称，如果不行请执行如下命令重建swarm网络 ```shell docker network rm ctfd_frp-containers docker network create --driver overlay --attachable ctfd_frp-containers ``` ## 成品配置 ### docker-compose.yml ```yaml version: '3' services: frps: image: snowdreamtech/frps:0.30.0 restart: always volumes: - ./conf/frp/frps.ini:/etc/frp/frps.ini entrypoint: - /usr/bin/frps - '-c' - /etc/frp/frps.ini ports: - '34000-35000:34000-35000' #题目端口范围 networks: frp_admin: default: frpc: image: snowdreamtech/frpc:0.30.0 restart: always ports: - 7400:7400 volumes: - ./conf/frp/frpc.ini:/etc/frp/frpc.ini #配置文件在CTFd/conf/frp/frpc.ini中 entrypoint: - /usr/bin/frpc - '-c' - /etc/frp/frpc.ini depends_on: - frps networks: frp_admin: frp_containers: ctfd: build: . user: root restart: always ports: - "8000:8000" environment: - UPLOAD_FOLDER=/var/uploads - DATABASE_URL=mysql+pymysql://ctfd:ctfd@db/ctfd - REDIS_URL=redis://cache:6379 - WORKERS=16 - LOG_FOLDER=/var/log/CTFd - ACCESS_LOG=- - ERROR_LOG=- - REVERSE_PROXY=true volumes: - .data/CTFd/logs:/var/log/CTFd - .data/CTFd/uploads:/var/uploads - .:/opt/CTFd:ro depends_on: - db - frpc networks: frp_admin: default: internal: frp_containers: db: image: mariadb:10.11 restart: always environment: - MARIADB_ROOT_PASSWORD=ctfd - MARIADB_USER=ctfd - MARIADB_PASSWORD=ctfd - MARIADB_DATABASE=ctfd - MARIADB_AUTO_UPGRADE=1 volumes: - .data/mysql:/var/lib/mysql networks: internal: # This command is required to set important mariadb defaults command: [mysqld, --character-set-server=utf8mb4, --collation-server=utf8mb4_unicode_ci, --wait_timeout=28800, --log-warnings=0] cache: image: redis:4 restart: always volumes: - .data/redis:/data networks: internal: networks: default: internal: internal: true frp_admin: internal: true frp-containers: driver: overlay internal: true attachable: true ``` ### Dockerfile ```dockerfile FROM python:3.11-slim-bookworm AS build WORKDIR /opt/CTFd RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/debian.sources #换apt源 # hadolint ignore=DL3008 RUN apt-get update \ && apt-get install -y --no-install-recommends \ build-essential \ libffi-dev \ libssl-dev \ git \ && apt-get clean \ && rm -rf /var/lib/apt/lists/* \ && python -m venv /opt/venv ENV PATH="/opt/venv/bin:$PATH" COPY . /opt/CTFd RUN pip install --no-cache-dir -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple \ && for d in CTFd/plugins/*; do \ if [ -f "$d/requirements.txt" ]; then \ pip install --no-cache-dir -r "$d/requirements.txt" -i https://pypi.tuna.tsinghua.edu.cn/simple ; \ fi; \ done; FROM python:3.11-slim-bookworm AS release WORKDIR /opt/CTFd # hadolint ignore=DL3008 RUN apt-get update \ && apt-get install -y --no-install-recommends \ libffi8 \ libssl3 \ && apt-get clean \ && rm -rf /var/lib/apt/lists/* COPY --chown=1001:1001 . /opt/CTFd RUN useradd \ --no-log-init \ --shell /bin/bash \ -u 1001 \ ctfd \ && mkdir -p /var/log/CTFd /var/uploads \ && chown -R 1001:1001 /var/log/CTFd /var/uploads /opt/CTFd \ && chmod +x /opt/CTFd/docker-entrypoint.sh COPY --chown=1001:1001 --from=build /opt/venv /opt/venv ENV PATH="/opt/venv/bin:$PATH" USER 1001 EXPOSE 8000 ENTRYPOINT ["/opt/CTFd/docker-entrypoint.sh"] ``` ### frpc.ini ```ini [common] server_addr = frps server_port = 7897 token = token admin_addr = 0.0.0.0 admin_port = 7400 admin_user = user admin_pwd = pwd ``` ### frps.ini ```ini [common] bind_addr = 0.0.0.0 bind_port = 7897 token = token ```
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