diff --git a/bin/prepare_environment.sh b/bin/prepare_environment.sh
new file mode 100644
index 0000000..393585a
--- /dev/null
+++ b/bin/prepare_environment.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+cd ${HOME}
+
+# Set .env variables - must be provided in the build process
+echo "Setting .env variables..."
+echo "DEBUG=${DEBUG}"  >> ${HOME}//sigi/.env
+echo "ADMINS=${ADMINS}"  >> ${HOME}//sigi/.env
+echo "EMAIL_PORT=${EMAIL_PORT}"  >> ${HOME}//sigi/.env
+echo "EMAIL_HOST=${EMAIL_HOST}"  >> ${HOME}//sigi/.env
+echo "EMAIL_HOST_USER=${EMAIL_HOST_USER}"  >> ${HOME}//sigi/.env
+echo "EMAIL_HOST_PASSWORD=${EMAIL_HOST_PASSWORD}"  >> ${HOME}//sigi/.env
+echo "EMAIL_SUBJECT_PREFIX=${EMAIL_SUBJECT_PREFIX}"  >> ${HOME}//sigi/.env
+echo "EMAIL_USE_LOCALTIME=${EMAIL_USE_LOCALTIME}"  >> ${HOME}//sigi/.env
+echo "EMAIL_USE_TLS=${EMAIL_USE_TLS}"  >> ${HOME}//sigi/.env
+echo "EMAIL_USE_SSL=${EMAIL_USE_SSL}"  >> ${HOME}//sigi/.env
+echo "EMAIL_TIMEOUT=${EMAIL_TIMEOUT}"  >> ${HOME}//sigi/.env
+echo "DEFAULT_FROM_EMAIL=${DEFAULT_FROM_EMAIL}"  >> ${HOME}//sigi/.env
+echo "DATABASE_URL=${DATABASE_URL}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_SERVER_URI=${AUTH_LDAP_SERVER_URI}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_BIND_DN=${AUTH_LDAP_BIND_DN}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_BIND_PASSWORD=${AUTH_LDAP_BIND_PASSWORD}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_USER=${AUTH_LDAP_USER}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_USER_SEARCH_STRING=${AUTH_LDAP_USER_SEARCH_STRING}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_GROUP=${AUTH_LDAP_GROUP}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_GROUP_SEARCH_STRING=${AUTH_LDAP_GROUP_SEARCH_STRING}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_GROUP_TYPE_STRING=${AUTH_LDAP_GROUP_TYPE_STRING}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_USER_ATTR_MAP=${AUTH_LDAP_USER_ATTR_MAP}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_PROFILE_ATTR_MAP=${AUTH_LDAP_PROFILE_ATTR_MAP}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_FIND_GROUP_PERMS=${AUTH_LDAP_FIND_GROUP_PERMS}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_MIRROR_GROUPS=${AUTH_LDAP_MIRROR_GROUPS}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_CACHE_GROUPS=${AUTH_LDAP_CACHE_GROUPS}"  >> ${HOME}//sigi/.env
+echo "AUTH_LDAP_GROUP_CACHE_TIMEOUT=${AUTH_LDAP_GROUP_CACHE_TIMEOUT}"  >> ${HOME}//sigi/.env
+echo "AUTH_PROFILE_MODULE=${AUTH_PROFILE_MODULE}"  >> ${HOME}//sigi/.env
+echo "... done"
+
+echo "Data migrations before start..."
+python manage.py migrate
+echo "...done"
diff --git a/bin/run_sigi b/bin/run_sigi
index 7cf3125..ca29e9f 100755
--- a/bin/run_sigi
+++ b/bin/run_sigi
@@ -12,10 +12,9 @@ NUM_WORKERS=3 # = 2 * CPUs + 1
 DJANGO_SETTINGS_MODULE=sigi.settings
 DJANGO_WSGI_MODULE=sigi.wsgi
 
-echo "Data migrations before start..."
-cd ${HOME}
-python manage.py migrate
-echo "...done"
+echo "Preparing environment and data..."
+${HOME}/bin/prepare_environment.sh
+echo "... done!"
 
 echo "Starting $NAME as `whoami`..."
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 06a44cc..3769bf8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -76,11 +76,15 @@ RUN pip install -qq --upgrade pip setuptools && \
     pip install -qq -r ${HOME}/requirements/dev-requirements.txt; \
     fi
 
+# Remove .env trash file
+RUN rm -f ${HOME}/sigi/.env
+
 # Generate a new secret key
 RUN echo $'\n\n'SECRET_KEY=`python manage.py generate_secret_key` >> ${HOME}/sigi/.env
 
 # Prepare run script to start application server
 RUN chmod +x ${HOME}/bin/run_sigi
+RUN chmod +x ${HOME}/bin/prepare_environment.sh
 
 # Static files
 RUN python manage.py collectstatic --noinput --clear