diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 58d85e1..98c70b1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,7 @@ stages:
     - deploy
 
 test:
-    image: python:3.5
+    image: python:3.7
     stage: test
     services:
         - postgres:latest
@@ -24,7 +24,7 @@ test:
         - python manage.py test
 
 pycodestyle:
-    image: python:3.5
+    image: python:3.7
     stage: lint
     script:
         - pip install pycodestyle
diff --git a/.python-version b/.python-version
index 424e179..0833a98 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.6.8
+3.7.4
diff --git a/Dockerfile b/Dockerfile
index 7533761..3123a63 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.5
+FROM python:3.7
 ENV PYTHONUNBUFFERED 1
 ENV IS_DOCKER 1
 RUN mkdir /code
diff --git a/kaehmy/views.py b/kaehmy/views.py
index ff4cf3c..eb0f22c 100644
--- a/kaehmy/views.py
+++ b/kaehmy/views.py
@@ -11,6 +11,7 @@ from django.core.mail import send_mail
 import logging
 import requests
 from dealer.git import git
+from sikweb.settings import URL
 
 from members.views.utils import *
 from kaehmy.models import Application, CustomRole, PresetRole, TelegramChannel
@@ -60,12 +61,12 @@ def comment(request, *args, **kwargs):
         name = comment.name
 
         subject = 'Kaehmyysi tai kommenttiisi on vastattu!'
-        body = ('{} on vastannut kaehmyhakemukseesi tai kommenttiisi kaehmypalvelussa.\r\n\r\n'
-                'Käy lukemassa viesti osoitteessa http://sika.sahkoinsinoorikilta.fi/kaehmy').format(name.capitalize())
+        body = (f'{name.capitalize()} on vastannut kaehmyhakemukseesi tai kommenttiisi kaehmypalvelussa.\r\n\r\n'
+                'Käy lukemassa viesti osoitteessa https://{URL}/kaehmy')
 
         send_email(email, subject, body)
         logging.debug(
-            'Sent kaehmy comment email to recipient <{}>'.format(email))
+            f'Sent kaehmy comment email to recipient <{email}>')
 
         return redirect('/kaehmy')
     else:
@@ -123,7 +124,7 @@ def submit(request, *args, **kwargs):
             custom_role.save()
             application.custom_roles.add(custom_role)
 
-        url = 'https://sika.sahkoinsinoorikilta.fi/kaehmy'
+        url = f'https://{URL}/kaehmy'
 
         email = form.cleaned_data.get('email', '')
         name = form.cleaned_data.get('name', 'Anonymous')
diff --git a/ohlhafv/views.py b/ohlhafv/views.py
index 632ab4e..0def955 100644
--- a/ohlhafv/views.py
+++ b/ohlhafv/views.py
@@ -14,6 +14,7 @@ from django.template.loader import render_to_string
 import logging
 import requests
 from dealer.git import git
+from sikweb.settings import URL
 
 from ohlhafv.models import OhlhafvChallenge
 from ohlhafv.forms import OhlhafvForm
@@ -39,7 +40,7 @@ def ohlhafv_submit(request, *args, **kwargs):
         challenge = form.instance
         email = form.cleaned_data.get('victim_email', '')
 
-        url = 'https://sika.sahkoinsinoorikilta.fi/ohlhafv/list'
+        url = f'https://{URL}/ohlhafv/list'
         subject = _('Sinut on haastettu Øhlhäfviin!')
 
         message = render_to_string(
diff --git a/package.json b/package.json
index 2862399..ddb3578 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git@sika.sahkoinsinoorikilta.fi:vtmk/web2.0.git"
+    "url": "git@gitlab.com:sahkoinsinoorikilta/vtmk/web2.0-backend.git"
   },
   "author": "SIK ry",
   "license": "ISC",
@@ -23,4 +23,4 @@
       "remark-preset-lint-recommended"
     ]
   }
-}
+}
\ No newline at end of file
diff --git a/sikweb/settings-sample-prod.py b/sikweb/settings-sample-prod.py
index 9715b86..bb05654 100644
--- a/sikweb/settings-sample-prod.py
+++ b/sikweb/settings-sample-prod.py
@@ -17,6 +17,7 @@ from sikweb.base import *
 DEBUG = False
 
 ALLOWED_HOSTS = ["sika.sik.party"]
+URL = "sika.sik.party"
 
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = os.getenv('SECRET_KEY', '<your secret key>')
diff --git a/sikweb/settings-sample.py b/sikweb/settings-sample.py
index 5789c22..b92133c 100644
--- a/sikweb/settings-sample.py
+++ b/sikweb/settings-sample.py
@@ -17,6 +17,7 @@ from sikweb.base import *
 DEBUG = True
 
 # ALLOWED_HOSTS = ["*"]
+URL = "sika.sik.party"
 
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = '7p$85^4ibb^p4-=vs44b7!y0e-zemugze18@a#30&71=a8)dp('
diff --git a/stack-compose.yml b/stack-compose.yml
index 2b3101a..ed901fb 100644
--- a/stack-compose.yml
+++ b/stack-compose.yml
@@ -2,6 +2,13 @@ version: '3.4'
 services:
   db:
     image: postgres:10
+    deploy:
+      replicas: 1
+      restart_policy:
+        condition: on-failure
+      update_config:
+        order: start-first
+
     environment:
       - POSTGRES_USER_FILE=/run/secrets/DJANGO_DB_USER
       - POSTGRES_PASSWORD_FILE=/run/secrets/DJANGO_DB_PASSWD
@@ -15,6 +22,12 @@ services:
 
   backend:
     image: registry.gitlab.com/sahkoinsinoorikilta/vtmk/web2.0-backend:latest
+    deploy:
+      replicas: 1
+      restart_policy:
+        condition: on-failure
+      update_config:
+        order: start-first
     depends_on:
       - db
     ports: