- version: '2'
- services:
- postfix:
- build: .
- image: fphammerle/postfix
- environment:
- POSTFIX_RELAYHOST: relayhost.example.com:submission
- POSTFIX_RELAY_DOMAINS: example.com
- ports: ['127.0.0.1:25:25']
- volumes: [/dev/log]
- security_opt: [no-new-privileges]
- restart: unless-stopped
- # https://docs.docker.com/compose/compose-file/compose-file-v2/
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