Final Migration Step (#6)

* first migration steps
  * altered issue templates
  * altered README
  * removed .travis.yml
* adjusting registry & repository, Dockerfile and compose.env
* Close stale issues automatically
* Integrated CI with Github Actions (#3)
* feat: integrated ci with github actions
* fix: use secrets for docker org and update image
* docs: clarify why we use -t if no tty exists
* fix: correct remaining references to old repo
chore: prettier automatically updated markdown as well
* fix: hardcode docker org
* change testing image to just testing
* ci: add armv7 as a supported platform
* finished migration steps
* corrected linting in build-push action
* corrected linting in build-push action (2)
* minor preps for PR
* correcting push on pull request and minor details
* adjusted workflows to adhere closer to @wernerfred's diagram
* minor patches
* adjusting Dockerfile's installation of base packages
* adjusting schedule for stale issue action
* reverting license text
* improving CONTRIBUTING.md PR text
* Update CONTRIBUTING.md
* a bigger patch at the end
  * moved all scripts into one directory under target/scripts/
  * moved the quota-warning.sh script into target/scripts/ and removed empty directory /target/dovecot/scripts
  * minor fixes here and there
  * adjusted workflows for use a fully qualified name (i.e. docker.io/...)
  * improved on the Dockerfile layer count
  * corrected local tests - now they (actually) work (fine)!
  * corrected start-mailserver.sh to make use of defaults consistently
  * removed very old, deprecated variables (actually only one)
* various smaller improvements in the end
* last commit before merging #6
* rearranging variables to use alphabetic order

Co-authored-by: casperklein <casperklein@users.noreply.github.com>
Co-authored-by: Nick Pappas <radicand@users.noreply.github.com>
Co-authored-by: William Desportes <williamdes@wdes.fr>

docker-compose.yml

@@ -1,11 +1,12 @@
 version: '3.8'
 
 services:
-  mail:
-    image: tvial/docker-mailserver:latest
+  mailserver:
+    image: docker.io/mailserver/docker-mailserver:latest
     hostname: ${HOSTNAME}
     domainname: ${DOMAINNAME}
     container_name: ${CONTAINER_NAME}
+    env_file: mailserver.env
     ports:
       - "25:25"
       - "143:143"
@@ -16,12 +17,8 @@ services:
       - mailstate:/var/mail-state
       - maillogs:/var/log/mail
       - ./config/:/tmp/docker-mailserver/${SELINUX_LABEL}
-    env_file:
-      - mailserver.env
-    cap_add:
-      - NET_ADMIN
-      - SYS_PTRACE
     restart: always
+    cap_add: [ "NET_ADMIN", "SYS_PTRACE" ]
 
 volumes:
   maildata: