set db pool size in compose.yml

compose/app.yml

@@ -30,6 +30,7 @@ services:
     environment:
       # For this to take effect, remove init/timeout, and in Gemfile, fix "rack-timeout" to not require anything.
       RACK_TIMEOUT_SERVICE_TIMEOUT: 25
+      db_pool_size: 30
     logging:
       driver: "json-file"
       options:

compose/auth.yml

@@ -4,4 +4,6 @@ services:
       image: smartcitizen/auth
       ports:
         - "3001:3000"
-      restart: always
+      restart: always
+      environment:
+        db_pool_size: 30

compose/mqtt-task.yml

@@ -10,3 +10,5 @@ services:
       driver: "json-file"
       options:
         max-size: "100m"
+    environment:
+      db_pool_size: 5

compose/sidekiq.yml

@@ -5,4 +5,6 @@ services:
     command: bundle exec sidekiq
     restart: always
     volumes:
-      - "../log:/app/log"
+      - "../log:/app/log"
+    environment:
+      db_pool_size: 30

compose/telnet-task.yml

@@ -4,3 +4,5 @@ services:
     env_file: ../.env
     command: bundle exec rake telnet:push
     restart: always
+    environment:
+      db_pool_size: 5