CertShip - A tool for automatic SSL certificate binding to OSS
A Python tool that uses acme.sh to automatically apply for certificates and deploy them to cloud platforms (such as Alibaba Cloud AliOSS).
- Certificate source: Let’s Encrypt (acme.sh is only the issuance tool)
- Special thanks to: the help of GitHub Copilot
- Special thanks to: Neilpang, the author of acme.sh
- Special thanks to: Sora for the logo
Install dependencies
poetry installUsage
You can run the tool via poetry:
poetry run certship --helpOr directly:
python3 -m src.cli --helpExample
poetry run certship \
  --domain <your domain> \
  --dns-provider <dns provider, default ali> \
  --platform alioss \
  --oss-bucket <OSS bucket name> \
  --oss-endpoint <OSS endpoint> \
  --ali-key <Aliyun AccessKeyId> \
  --ali-secret <Aliyun AccessKeySecret> \
  [--ecc] [--run] [--force] [--debug]Arguments
- --domain: The domain to apply for the certificate (required)
- --dns-provider: DNS provider, default is ali (optional, any DNS plugin supported by acme.sh)
- --platform: Target platform, currently only supports alioss or tencentcos (required)
- --oss-bucket: Aliyun OSS bucket name (required for alioss)
- --oss-endpoint: OSS endpoint (required for alioss)
- --ali-key: Aliyun AccessKeyId (required for alioss)
- --ali-secret: Aliyun AccessKeySecret (required for alioss)
- --ecc: Use ECC certificate (optional)
- --run: Issue and deploy certificate (optional, if not set, only deploys existing certificate)
- --force: Force certificate renewal (optional)
- --debug: acme.sh debug mode (optional)
Requirements
- Python 3.8+
- poetry
- acme.sh (must be installed and configured, defaults to Let’s Encrypt)
- ossutil64 (must be installed and configured for AliOSS)
Typical workflow
- Install dependencies: poetry install
- Install acme.sh and configure DNS API
- Install and configure ossutil64 (requires yundun-cert:CreateSSLCertificate permission)
- Run the above command to automatically issue and bind the certificate
Supported platforms
- Alibaba Cloud AliOSS
- Tencent Cloud COS
- Local Nginx
- Qiniu Cloud
PRs are welcome!
This site is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

 CC BY-NC-SA 4.0
CC BY-NC-SA 4.0