ansible: did performance optimizations according to couchdb docs

ansible/roles/couchDBDockerCouchdb/tasks/main.yml

@@ -41,5 +41,23 @@
   debug:
     var: result
 
+- name: copy files local to remote (vm.args)
+  template:
+    src: vm-args
+    dest: ./couchdb/conf/vm.args
+  register: result
+- name: debug [copy files local to remote with a template (vm.args)]
+  debug:
+    var: result
+
+- name: copy files local to remote (100-couchdb.conf)
+  template:
+    src: 100-couchdb-conf
+    dest: ./couchdb/conf/100-couchdb.conf
+  register: result
+- name: debug [copy files local to remote with a template (100-couchdb.conf)]
+  debug:
+    var: result
+
 - debug:
     msg: END DOCKER COUCHDB...

ansible/roles/couchDBDockerCouchdb/templates/100-couchdb-conf

@@ -0,0 +1,5 @@
+#<domain>    <type>    <item>    <value>
+couchdb      hard      nofile    102400
+couchdb      soft      nofile    102400
+root         hard      nofile    102400
+root         soft      nofile    102400

ansible/roles/couchDBDockerCouchdb/templates/Dockerfile

@@ -1,3 +1,5 @@
 FROM couchdb:3.3.1
 
 COPY ./couchdb/conf/local.ini /opt/couchdb/etc/
+COPY ./couchdb/conf/vm.args /opt/couchdb/etc/
+COPY ./couchdb/conf/100-couchdb.conf /etc/security/limits.d/

ansible/roles/couchDBDockerCouchdb/templates/vm-args

@@ -0,0 +1,38 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+# Ensure that the Erlang VM listens on a known port
+-kernel inet_dist_listen_min 9100
+-kernel inet_dist_listen_max 9100
+
+# Tell kernel and SASL not to log anything
+-kernel error_logger silent
+-sasl sasl_error_logger false
+
+# This will toggle to true in Erlang 25+. However since we don't use global
+# any longer, and have our own auto-connection module, we can keep the
+# existing global behavior to avoid surprises. See
+# https://github.com/erlang/otp/issues/6470#issuecomment-1337421210 for more
+# information about possible increased coordination and messages being sent on
+# disconnections when this setting is enabled.
+#
+-kernel prevent_overlapping_partitions false
+
+# Increase the pool of dirty IO schedulers from 10 to 16
+# Dirty IO schedulers are used for file IO.
++SDio 16
+
+# Comment this line out to enable the interactive Erlang shell on startup
++Bd -noinput
+
+# allow more than 65536 open files, https://docs.couchdb.org/en/main/maintenance                                                                                                                                 /performance.html
++Q 102400