SSL

Woodpecker supports two ways of enabling SSL communication. You can either use Let's Encrypt to get automated SSL support with renewal or provide your own SSL certificates.

Let's Encrypt

Woodpecker supports automated SSL configuration and updates using Let's Encrypt.

You can enable Let's Encrypt by making the following modifications to your server configuration:

# docker-compose.yml
version: '3'

services:
  woodpecker-server:
    [...]
    ports:
+     - 80:80
+     - 443:443
      - 9000:9000
    environment:
      - [...]
+     - WOODPECKER_LETS_ENCRYPT=true

Note that Woodpecker uses the hostname from the WOODPECKER_HOST environment variable when requesting certificates. For example, if WOODPECKER_HOST=https://foo.com the certificate is requested for foo.com.

Once enabled you can visit your website at both the http and the https address

Certificate Cache

Woodpecker writes the certificates to the below directory:

/var/lib/woodpecker/golang-autocert

Certificate Updates

Woodpecker uses the official Go acme library which will handle certificate upgrades. There should be no addition configuration or management required.

SSL with own certificates

Woodpecker supports ssl configuration by mounting certificates into your container.

# docker-compose.yml
version: '3'

services:
  woodpecker-server:
    [...]
    ports:
+     - 80:80
+     - 443:443
      - 9000:9000
    volumes:
+     - /etc/certs/woodpecker.foo.com/server.crt:/etc/certs/woodpecker.foo.com/server.crt
+     - /etc/certs/woodpecker.foo.com/server.key:/etc/certs/woodpecker.foo.com/server.key
    environment:
      - [...]
+     - WOODPECKER_SERVER_CERT=/etc/certs/woodpecker.foo.com/server.crt
+     - WOODPECKER_SERVER_KEY=/etc/certs/woodpecker.foo.com/server.key

Update your configuration to expose the following ports:

# docker-compose.yml
version: '3'

services:
  woodpecker-server:
    [...]
    ports:
+     - 80:80
+     - 443:443
      - 9000:9000

Update your configuration to mount your certificate and key:

# docker-compose.yml
version: '3'

services:
  woodpecker-server:
    [...]
    ports:
      - 80:80
      - 443:443
      - 9000:9000
    volumes:
+     - /etc/certs/woodpecker.foo.com/server.crt:/etc/certs/woodpecker.foo.com/server.crt
+     - /etc/certs/woodpecker.foo.com/server.key:/etc/certs/woodpecker.foo.com/server.key

Update your configuration to provide the paths of your certificate and key:

# docker-compose.yml
version: '3'

services:
  woodpecker-server:
    [...]
    ports:
      - 80:80
      - 443:443
      - 9000:9000
    volumes:
      - /etc/certs/woodpecker.foo.com/server.crt:/etc/certs/woodpecker.foo.com/server.crt
      - /etc/certs/woodpecker.foo.com/server.key:/etc/certs/woodpecker.foo.com/server.key
    environment:
+     - WOODPECKER_SERVER_CERT=/etc/certs/woodpecker.foo.com/server.crt
+     - WOODPECKER_SERVER_KEY=/etc/certs/woodpecker.foo.com/server.key

Certificate Chain

The most common problem encountered is providing a certificate file without the intermediate chain.

LoadX509KeyPair reads and parses a public/private key pair from a pair of files. The files must contain PEM encoded data. The certificate file may contain intermediate certificates following the leaf certificate to form a certificate chain.

Certificate Errors

SSL support is provided using the ListenAndServeTLS function from the Go standard library. If you receive certificate errors or warnings please examine your configuration more closely.

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SSL