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Ubuntu baseimage

A baseimage based on Phusion's base image

Bits and pieces have been sourced from other fine Docker images

Environment

  • PUID - Changes the uid of the app user, default 911
  • PGID - Changes the gid of the app group, default 911
  • SMTP_HOST - Change the SMTP relay server used by ssmtp (sendmail)
  • SMTP_USER - Username for the SMTP relay server
  • SMTP_PASS - Password for the SMTP relay server
  • SMTP_PORT - Outgoing SMTP port, default 587
  • SMTP_SECURE - Does the SMTP server requires a secure connection, default TRUE if SMTP_USER is set.
  • SMTP_TLS - Use STARTTLS, default TRUE (if SMTP_TLS is FALSE and SMTP_SECURE is true, SMTP over SSL will be used)
  • SMTP_MASQ - Masquerade outbound emails using this domain, default empty

Email

If you need to send mail and cannot use SMTP directly, ssmtp is installed to provide /usr/bin/sendmail and is configured using the SMTP_ variables.

If SMTP_USER is not set, unauthenticated SMTP will be used and SSL/TLS is disabled.

Persistent data

Generally I store configuration data in /config and store it in a volume. If an application does not permit changing the location of its configuration data, add a script to /etc/my_init.d which changes the app user's $HOME