diff --git a/defaults/main.yml b/defaults/main.yml
index 89e0a63..6aa5e86 100755
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,3 +1,18 @@
 ---
 # harden by default
 harden_os: true
+
+# latest as of 7/7/2022
+rc_version: 4.8.1
+
+# WIP to get to 5.0
+mongo_version: 4.2
+
+# WIP to get to 5.0
+prev_mongo_version: 4.2
+
+# if true set feature compability version to prev_mongo_version
+set_feature_compat_version: true
+
+# backup by default - saves to /home/{{ main_user }}/rocketchat/data/dump/2015-07-09T16:59:26Z" (iso8601 of current date)
+backup_db: true
\ No newline at end of file
diff --git a/files/docker-compose.yml b/files/docker-compose.yml
deleted file mode 100755
index 71ec563..0000000
--- a/files/docker-compose.yml
+++ /dev/null
@@ -1,93 +0,0 @@
-version: '2'
-
-services:
-  rocketchat:
-    image: registry.rocket.chat/rocketchat/rocket.chat:latest
-    command: >
-      bash -c
-        "for i in `seq 1 30`; do
-          node main.js &&
-          s=$$? && break || s=$$?;
-          echo \"Tried $$i times. Waiting 5 secs...\";
-          sleep 5;
-        done; (exit $$s)"
-    restart: unless-stopped
-    volumes:
-      - ./uploads:/app/uploads
-    environment:
-      - PORT=3000
-      - ROOT_URL=http://localhost:3000
-      - MONGO_URL=mongodb://mongo:27017/rocketchat
-      - MONGO_OPLOG_URL=mongodb://mongo:27017/local
-      - REG_TOKEN=${REG_TOKEN}
-#       - MAIL_URL=smtp://smtp.email
-#       - HTTP_PROXY=http://proxy.domain.com
-#       - HTTPS_PROXY=http://proxy.domain.com
-    depends_on:
-      - mongo
-    ports:
-      - 3000:3000
-    labels:
-      - "traefik.backend=rocketchat"
-      - "traefik.frontend.rule=Host: your.domain.tld"
-
-  mongo:
-    image: mongo:4.0
-    restart: unless-stopped
-    volumes:
-     - ./data/db:/data/db
-     - ./data/dump:/dump
-    command: mongod --smallfiles --oplogSize 128 --replSet rs0 --storageEngine=mmapv1
-    labels:
-      - "traefik.enable=false"
-
-  # this container's job is just run the command to initialize the replica set.
-  # it will run the command and remove himself (it will not stay running)
-  mongo-init-replica:
-    image: mongo:4.0
-    command: >
-      bash -c
-        "for i in `seq 1 30`; do
-          mongo mongo/rocketchat --eval \"
-            rs.initiate({
-              _id: 'rs0',
-              members: [ { _id: 0, host: 'localhost:27017' } ]})\" &&
-          s=$$? && break || s=$$?;
-          echo \"Tried $$i times. Waiting 5 secs...\";
-          sleep 5;
-        done; (exit $$s)"
-    depends_on:
-      - mongo
-      - nginx
-
-  nginx:
-    image: nginx:latest
-    container_name: webserver
-    restart: unless-stopped
-    ports:
-      - 80:80
-      - 443:443
-    volumes:
-      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf
-      - ./nginx/ssl/:/ssl/
-      - ./nginx/ssl/:/etc/nginx/
-  #traefik:
-  #  image: traefik:latest
-  #  restart: unless-stopped
-  #  command: >
-  #    traefik
-  #     --docker
-  #     --acme=true
-  #     --acme.domains='your.domain.tld'
-  #     --acme.email='your@email.tld'
-  #     --acme.entrypoint=https
-  #     --acme.storagefile=acme.json
-  #     --defaultentrypoints=http
-  #     --defaultentrypoints=https
-  #     --entryPoints='Name:http Address::80 Redirect.EntryPoint:https'
-  #     --entryPoints='Name:https Address::443 TLS.Certificates:'
-  #  ports:
-  #    - 80:80
-  #    - 443:443
-  #  volumes:
-  #    - /var/run/docker.sock:/var/run/docker.sock
diff --git a/tasks/docker.yml b/tasks/docker.yml
index b6af838..4d57b6c 100644
--- a/tasks/docker.yml
+++ b/tasks/docker.yml
@@ -1,10 +1,8 @@
 ---
-
-# install docker using geerlingguy docker role
+# install docker using geerlingguy docker role - this whole task file is under tag install-docker
 - name: 'Use geerlingguy.docker role'
   include_role:
     name: ansible-role-docker
-  tags: docker
 
 - name: 'Use geerlingguy.pip role to install docker via pip'
   vars:
@@ -14,7 +12,6 @@
 
   include_role:
     name: ansible-role-pip
-  tags: docker
 
 - name: Add adminstrator to docker group
   user:
diff --git a/tasks/main.yml b/tasks/main.yml
index 8172679..c78bb86 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,19 +1,13 @@
 ---
-# tasks file for setting up an assetto server on ubuntu20.04
+# tasks file for setting up a rocketchat server on ubuntu20.04
 - include: ssh_port_fallback.yml
+
 - include: harden.yml
 #  become: true
   when: harden_os
   tags: harden
 
 - include: docker.yml
-#  become: true
-#  apply tags,become
-#  when: harden_os
-#  tags: harden
+  tags: install-docker
 
 - include: rocketchat.yml
-#  become: true
-#  apply tags,become
-#  when: harden_os
-#  tags: harden
diff --git a/tasks/rocketchat.yml b/tasks/rocketchat.yml
index 9aff2bc..060c91e 100644
--- a/tasks/rocketchat.yml
+++ b/tasks/rocketchat.yml
@@ -1,9 +1,5 @@
 ---
-- name: Install unzip using apt
-  become: true
-  apt: name=unzip state=latest update_cache=yes force_apt_get=yes
-
-- name: "NOTSCORED | 3.5.1.6 | PATCH | Ensure firewall rules exist for all open ports"
+- name: "Open ports for RocketChat"
   become: true
   ufw:
     rule: allow
@@ -31,17 +27,46 @@
     group: "{{ main_user }}"
     mode: 0775
 
-- name: copy docker compose to server
-  become_user: "{{ main_user }}"
-  copy:
-    src: files/docker-compose.yml
-    dest: /home/{{ main_user }}/rocketchat/
+- name: Creates directory structure for upload data
+  become: true
+  file:
+    path: /home/{{ main_user }}/rocketchat/uploads
+    state: directory
+    owner: "{{ main_user }}"
+    group: "{{ main_user }}"
+    mode: 0775
+
+- name: Creates backup directory outside of docker volumes to move dumps more easily off of server
+  file:
+    path: /home/{{ main_user }}/backups
+    state: directory
+    owner: "{{ main_user }}"
+    group: "{{ main_user }}"
+    mode: 0775
+
+- name: Ensure mmap to wiredTiger mongoDB repo checkout exists
+  ansible.builtin.git:
+    repo: 'https://github.com/RocketChat/docker-mmap-to-wiredtiger-migration.git'
+    dest: /home/{{ main_user }}/rocketchat/rocketchat-migration
+    update: no
+
+- name: Copy docker folder from mmap to wiredTiger mongoDB migration repo
+  ansible.builtin.copy:
+    src: /home/{{ main_user }}/rocketchat/rocketchat-migration/docker
+    dest: /home/{{ main_user }}/rocketchat/docker
+    remote_src: yes
+
+- name: copy docker compose to server (from template)
+  template:
+    src: templates/docker-compose.yml.j2
+    dest: /home/{{ main_user }}/rocketchat/docker-compose.yml
 
 - name: bring down rocketchat docker-compose
   become_user: "{{ main_user }}"
   docker_compose:
     project_src: /home/{{ main_user }}/rocketchat/
     state: absent
+    remove_orphans: true
   register: __remove_rocketchat
   tags:
     - bring-down
@@ -68,10 +93,65 @@
     state: present
   register: __rocketchat
 
+- name: Get the current datetime
+  debug:
+    var: ansible_date_time
+
+- name: Backup existing RocketChat mongo database
+  when: backup_db
+  community.docker.docker_container_exec:
+    container: rocketchat_mongo_1
+    command: mongodump --archive=/dump/{{ ansible_date_time.iso8601 }} --gzip
+  #    chdir: /home/{{ main_user }}/rocketchat
+  #    chdir: /
+  register: __backup_result
+  tags: mongodump
+
+- name: Copy backup we just took to home/{{ main_user }}/backups
+  when: backup_db and not __backup_result.failed
+  ansible.builtin.copy:
+    src: /home/{{ main_user }}/rocketchat/data/dump/{{ ansible_date_time.iso8601 }}
+    dest: /home/{{ main_user }}/backups/{{ ansible_date_time.iso8601 }}.gzip
+    remote_src: yes
+  tags: mongodump
+
+- name: Pull newly created mongodump into local backups directory
+  when: backup_db and not __backup_result.failed
+  ansible.builtin.fetch:
+    src: /home/{{ main_user }}/backups/{{ ansible_date_time.iso8601 }}.gzip
+    dest: "{{ local_backup_dir }}"
+  tags: mongodump
+
+- name: Set feature compability version if we are upgrading mongoDB
+  when: set_feature_compat_version
+  community.docker.docker_container_exec:
+    container: rocketchat_mongo_1
+    command: >
+      bash -c 'mongo --eval "db.adminCommand( { setFeatureCompatibilityVersion: \"{{ prev_mongo_version }}\" } )"'
+  #    chdir: /home/{{ main_user }}/rocketchat
+  #    chdir: /
+  #docker-compose exec mongo
+  register: __set_feature_compability_version_mongo
+  tags: mongoupgrade
+
 - name: debug docker compose down
   debug:
     var: __remove_rocketchat
+  tags: bring-down
 
 - name: debug docker compose up debug
   debug:
     var: __rocketchat
+
+- name: debug mongo backup
+  when: backup_db
+  debug:
+    var: __backup_result
+  tags: mongodump
+
+
+- name: debug mongo upgrade set feature compatability version
+  when: set_feature_compat_version
+  debug:
+    var: __set_feature_compability_version_mongo
+  tags: mongoupgrade
\ No newline at end of file
diff --git a/templates/docker-compose.yml.j2 b/templates/docker-compose.yml.j2
new file mode 100644
index 0000000..34a5ca2
--- /dev/null
+++ b/templates/docker-compose.yml.j2
@@ -0,0 +1,68 @@
+version: '3.7'
+
+services:
+  rocketchat:
+    image: rocket.chat:{{ rc_version }}
+    command: >
+      bash -c
+        "for (( ; ; )); do
+          node main.js &&
+          s=$$? && break || s=$$?;
+          echo \"Could not start Rocket.Chat. Waiting 5 secs...\";
+          sleep 5;
+        done; (exit $$s)"
+    restart: unless-stopped
+    volumes:
+      - ./uploads:/app/uploads
+    environment:
+      - PORT=3000
+      - ROOT_URL=http://localhost:3000
+      - MONGO_URL=mongodb://mongo:27017/rocketchat
+      - MONGO_OPLOG_URL=mongodb://mongo:27017/local
+      - MAIL_URL=smtp://smtp.email
+    depends_on:
+      - mongo
+    ports:
+      - 3000:3000
+    labels:
+      - "traefik.backend=rocketchat"
+      - "traefik.frontend.rule=Host: your.domain.tld"
+
+  mongo:
+    image: mongo:{{ mongo_version }}
+    restart: unless-stopped
+    volumes:
+      - ./data/db:/data/db
+      - ./data/dump:/dump
+    command: >
+      bash -c
+        "while [ ! -f /data/db/WiredTiger ]; do
+          echo \"wiredTiger migration hasn't started yet. Waiting 30 secs...\";
+          sleep 30;
+        done;
+        docker-entrypoint.sh mongod --oplogSize 128 --replSet rs0 --storageEngine=wiredTiger;"
+    depends_on:
+      - migrator
+    labels:
+      - "traefik.enable=false"
+
+  migrator:
+    build: ./docker/
+    volumes:
+      - ./data/db:/data/db
+
+  mongo-init-replica:
+    image: mongo:{{ mongo_version }}
+    command: >
+      bash -c
+        "for (( ; ; )); do
+          mongo mongo/rocketchat --eval \"
+            rs.initiate({
+              _id: 'rs0',
+              members: [ { _id: 0, host: 'localhost:27017' } ]})\" &&
+          s=$$? && break || s=$$?;
+          echo \"Could not reach MongoDB. Waiting 5 secs ...\";
+          sleep 5;
+        done; (exit $$s)"
+    depends_on:
+      - mongo
\ No newline at end of file