Expose mastodon streaming api (#124)

Co-authored-by: Reynir Björnsson <reynir@reynir.dk>
Co-authored-by: Víðir Valberg Guðmundsson <valberg@orn.li>
Reviewed-on: data.coop/ansible#124
Co-authored-by: reynir <data.coop@reynir.dk>
Co-committed-by: reynir <data.coop@reynir.dk>

roles/docker/tasks/services/mastodon.yml

@@ -70,6 +70,7 @@
           environment:
             VIRTUAL_HOST: "{{ mastodon.domain }}"
             VIRTUAL_PORT: "3000"
+            VIRTUAL_PATH: "/"
             LETSENCRYPT_HOST: "{{ mastodon.domain }}"
             LETSENCRYPT_EMAIL: "{{ letsencrypt_email }}"
 
@@ -89,6 +90,10 @@
           depends_on:
             - db
             - redis
+          environment:
+            VIRTUAL_HOST: "{{ mastodon.domain }}"
+            VIRTUAL_PORT: "4000"
+            VIRTUAL_PATH: "/api/v1/streaming"
 
         sidekiq:
           image: "tootsuite/mastodon:{{ mastodon_version }}"