feat: allow to change database max connections

templates/odoo.conf.j2

 [options]
 addons_path = /opt/odoo/odoo/addons,/opt/odoo/additional_addons,/opt/odoo/private_addons
 data_dir = /opt/odoo/data
+; csv_internal_sep = ,
+db_maxconn = {{ odoo_db_maxconn | default(64) }}
+; db_template = template1
+; dbfilter = .*
 {% if odoo_prod is defined %}
 admin_passwd = {{ odoo_prod.master_pass }}
-; csv_internal_sep = ,
-; db_maxconn = 64
 db_name = {{ odoo_prod.db }}
 db_password = {{ odoo_prod.db_pass }}
-; db_template = template1
-; dbfilter = .*
 db_user = {{ odoo_prod.db_user }}
 {% else %}
 admin_passwd = {{ item.master_pass }}
-; csv_internal_sep = ,
-; db_maxconn = 64
 db_name = {{ item.db }}
 db_password = {{ item.db_pass }}
-; db_template = template1
-; dbfilter = .*
 db_user = {{ item.db_user }}
 {% endif %}
 ; debug_mode = False

templates/prod.yaml.j2

@@ -64,6 +64,9 @@ services:
             POSTGRES_DB: "postgres"
             POSTGRES_USER: "{{ odoo_prod.db_user }}"
             POSTGRES_PASSWORD: "{{ odoo_prod.db_pass }}"
+{% if postgres_options is defined %}
+            PGOPTIONS: "{{ postgres_options }}"
+{% endif %}
         labels:
             co.elastic.logs/module: postgresql
 {% if odoo_remote_db_access %}