Use single quotes for env vars

templates/env.j2

@@ -1,30 +1,30 @@
-POSTGRES_HOST="{{ postgres_host }}"
+POSTGRES_HOST='{{ postgres_host }}'
-POSTGRES_PORT="{{ postgres_port }}"
+POSTGRES_PORT='{{ postgres_port }}'
-POSTGRES_DB="{{ postgres_db }}"
+POSTGRES_DB='{{ postgres_db }}'
-POSTGRES_USER="{{ postgres_user }}"
+POSTGRES_USER='{{ postgres_user }}'
-POSTGRES_PASSWORD="{{ postgres_password }}"
+POSTGRES_PASSWORD='{{ postgres_password }}'
 
-DJANGO_SETTINGS_MODULE="{{ django_settings_module }}"
+DJANGO_SETTINGS_MODULE='{{ django_settings_module }}'
-DJANGO_SECRET_KEY="{{ django_secret_key }}"
+DJANGO_SECRET_KEY='{{ django_secret_key }}'
 
-NGINX_HTTP_PORT="{{ nginx_http_port }}"
+NGINX_HTTP_PORT='{{ nginx_http_port }}'
 
 # TODO: setup email configuration
-EMAIL_HOST="{{ email_host }}"
+EMAIL_HOST='{{ email_host }}'
-EMAIL_PORT="{{ email_port }}"
+EMAIL_PORT='{{ email_port }}'
-EMAIL_HOST_USER="{{ email_user }}"
+EMAIL_HOST_USER='{{ email_user }}'
-EMAIL_HOST_PASSWORD="{{ email_password }}"
+EMAIL_HOST_PASSWORD='{{ email_password }}'
 EMAIL_USE_TLS={{ email_tls }}
 EMAIL_USE_SSL={{ email_ssl }}
-EMAIL_DEFAULT_FROM="{{ email_user }}"
+EMAIL_DEFAULT_FROM='{{ email_user }}'
 
-REDDIT_CLIENT_ID="{{ reddit_client_id }}"
+REDDIT_CLIENT_ID='{{ reddit_client_id }}'
-REDDIT_CLIENT_SECRET="{{ reddit_client_secret }}"
+REDDIT_CLIENT_SECRET='{{ reddit_client_secret }}'
-REDDIT_CALLBACK_URL="{{ reddit_callback_url }}"
+REDDIT_CALLBACK_URL='{{ reddit_callback_url }}'
 
-TWITTER_CONSUMER_ID="{{ twitter_client_id }}"
+TWITTER_CONSUMER_ID='{{ twitter_client_id }}'
-TWITTER_CONSUMER_SECRET="{{ twitter_client_secret }}"
+TWITTER_CONSUMER_SECRET='{{ twitter_client_secret }}'
-TWITTER_REDIRECT_URL="{{ twitter_redirect_url }}"
+TWITTER_REDIRECT_URL='{{ twitter_redirect_url }}'
 
-SENTRY_DSN="{{ sentry_dsn }}"
+SENTRY_DSN='{{ sentry_dsn }}'
-ADMINS="{{ admins }}"
+ADMINS='{{ admins }}'