Remove version from docker-compose files.

See https://docs.docker.com/compose/compose-file/04-version-and-name/ Closes #8643.
ICTU · May 7, 2024 · 0f45d5b · 0f45d5b
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diff --git a/docker/docker-compose.ci.yml b/docker/docker-compose.ci.yml
@@ -1,7 +1,6 @@
 # Extra services and overridden parameters for testing in a CI-environment.
 # Mongo-express and PHPLDAPAdmin are not started.
 
-version: "3"
 services:
   www:
     build: ../components/proxy

diff --git a/docker/docker-compose.override.yml b/docker/docker-compose.override.yml
@@ -1,6 +1,5 @@
 # Extra services and overridden parameters for development
 
-version: "3"
 services:
   www:
     build: ../components/proxy

diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
@@ -1,6 +1,5 @@
 # Base docker composition. For development, this composition is augmented in docker-compose.override.yml.
 
-version: '3'
 services:
   www:
     image: ictu/quality-time_proxy:${QUALITY_TIME_VERSION}