CTF: Instalasi CTFd di Ubuntu 22.04 dengan docker

Sumber: https://docs.ctfd.io/docs/deployment/installation

Spec:

• VirtualBox
• Ubuntu 22.04
• Memory 3G
• Core 2

Sebagian besar dilakukan sebagai user biasa.

Basic

Sebagai user biasa.

sudo su
sudo apt update
sudo apt -y install net-tools pip

Install Docker atau Docker Compose

Sebagai user biasa, install

sudo apt  -y install docker-compose  # version 1.29.2-1

atau

sudo snap install docker             # version 20.10.17

salah satu saja, lebih di sukai docker-compose.

Install CTFd

Sebagai user biasa, download CTFd

cd ~
git clone https://github.com/CTFd/CTFd.git

Edit atau sesuaikan docker-compose.yml

cd ~/CTFd
vi docker-compose.yml

Edit environment

environment:
  - SECRET_KEY=<SPECIFY_RANDOM_VALUE>
  - UPLOAD_FOLDER=/var/uploads
  - DATABASE_URL=mysql+pymysql://ctfd:ctfd@db/ctfd
  - REDIS_URL=redis://cache:6379
  - WORKERS=1
  - LOG_FOLDER=/var/log/CTFd
  - ACCESS_LOG=-
  - ERROR_LOG=-
  - REVERSE_PROXY=true

yang perlu di edit adalah

SECRET_KEY=<SPECIFY_RANDOM_VALUE>
WORKERS=1

Run

Docker Compose & Up

cd ~/CTFd
sudo docker-compose up

atau

cd ~/CTFd
sudo docker-compose up --build

Sampai keluar

ctfd_1   | [2023-01-29 06:59:21 +0000] [1] [INFO] Starting gunicorn 20.1.0
ctfd_1   | [2023-01-29 06:59:21 +0000] [1] [INFO] Listening at: http://0.0.0.0:8000 (1)
ctfd_1   | [2023-01-29 06:59:21 +0000] [1] [INFO] Using worker: gevent
ctfd_1   | [2023-01-29 06:59:21 +0000] [21] [INFO] Booting worker with pid: 21
ctfd_1   | INFO  [alembic.runtime.migration] Context impl MySQLImpl.
ctfd_1   | INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
ctfd_1   | INFO  [alembic.runtime.migration] Context impl MySQLImpl.
ctfd_1   | INFO  [alembic.runtime.migration] Will assume non-transactional DDL.

Kalau berhasil, Browse

http://ip.address:8000
http://192.168.0.144:8000

Start & Stop

Stop

CTRL-C di layar

Start

cd ~/CTFd
sudo docker-compose up --build

Alternatif Instalasi docker yang kemungkinan error

Install Docker

apt -y install curl
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 7EA0A9C3F273FCD8
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
apt-cache policy docker-ce

sudo apt install -y docker-ce
sudo systemctl status docker

Install Docker Compose

Sebagai user biasa

mkdir -p ~/.docker/cli-plugins/
curl -SL https://github.com/docker/compose/releases/download/v2.3.3/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose

Set permissions,

chmod +x ~/.docker/cli-plugins/docker-compose

Cek

docker compose version

Referensi

• https://docs.ctfd.io/docs/deployment/installation
• https://github.com/CTFd/CTFd
• https://www.h4k-it.com/installing-and-configuring-ctfd/