Timezone parameter in docker

alyx/alyx/environment_template.env

@@ -12,3 +12,4 @@ DJANGO_SECRET_KEY=create_a_secret_key_here_but_avoid_any_special_character_or_bo
 GLOBUS_CLIENT_ID=525cc543-8ccb-4d11-8036-af332da5eafd
 # DJANGO_MEDIA_ROOT=https://alyx-uploaded.s3.eu-west-2.amazonaws.com/uploaded/  # add if s3
 # DJANGO_TABLES_ROOT=https://ibl-brain-wide-map-public.s3.amazonaws.com/caches/alyx  # add if s3
+TZ=UTC  # Alyx datetime timezone. See https://en.wikipedia.org/wiki/List_of_tz_database_time_zones

alyx/misc/models.py

@@ -71,14 +71,20 @@ def get_allowed_subjects(self, subjects_queryset=None):
 
 
 class Lab(BaseModel):
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if not self.instance.pk:
+            self.fields['timezone'].initial = TIME_ZONE
+
     labname_validator = validators.RegexValidator(
         f"^{ALF_SPEC['lab']}$",
         "Lab name must only contain letters, numbers, and underscores.")
     name = models.CharField(max_length=255, unique=True, validators=[labname_validator])
     institution = models.CharField(max_length=255, blank=True)
     address = models.CharField(max_length=255, blank=True)
     timezone = models.CharField(
-        max_length=64, blank=True, default=TIME_ZONE,
+        max_length=64, blank=True,
         help_text="Timezone of the server "
         "(see https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)")
 

deploy/docker/Dockerfile_base

@@ -2,7 +2,8 @@ FROM ubuntu/apache2:latest
 
 # python unbuffered allows to get real-time logs
 ENV PYTHONUNBUFFERED 1
-ENV TZ=Europe/London
+ARG TZ=UTC
+ENV TZ=${TZ}
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
 

deploy/docker/settings_lab-deploy.py

@@ -1,10 +1,15 @@
 import os
+import zoneinfo
 from textwrap import dedent
 
 LANGUAGE_CODE = 'en-us'
-TIME_ZONE = 'Europe/London'
+TIME_ZONE = os.getenv('TZ', 'Europe/London').strip()
+if TIME_ZONE not in zoneinfo.available_timezones():
+    raise ValueError(f'Invalid TIME_ZONE: "{TIME_ZONE}". '
+                     'Please set a valid timezone with TZ env variable. '
+                     'See https://en.wikipedia.org/wiki/List_of_tz_database_time_zones.')
 GLOBUS_CLIENT_ID = os.getenv('GLOBUS_CLIENT_ID')
-SUBJECT_REQUEST_EMAIL_FROM = 'alyx@internationalbrainlab.org'
+SUBJECT_REQUEST_EMAIL_FROM = os.getenv('APACHE_SERVER_ADMIN', 'alyx@localhost')
 DEFAULT_SOURCE = 'IBL'
 DEFAULT_PROTOCOL = '1'
 SUPERUSERS = ('root',)
@@ -13,8 +18,8 @@
 DEFAULT_LAB_NAME = 'cortexlab'
 WATER_RESTRICTIONS_EDITABLE = False  # if set to True, all users can edit water restrictions
 DEFAULT_LAB_PK = '4027da48-7be3-43ec-a222-f75dffe36872'
-SESSION_REPO_URL = \
-    "http://ibl.flatironinstitute.org/{lab}/Subjects/{subject}/{date}/{number:03d}/"
+SESSION_REPO_URL = f'https://{os.getenv("APACHE_SERVER_NAME", "localhost")}/'
+SESSION_REPO_URL += "{lab}/Subjects/{subject}/{date}/{number:03d}/"
 NARRATIVE_TEMPLATES = {
     'Headplate implant': dedent('''
     == General ==