diff --git a/.kamal/secrets.staging b/.kamal/secrets.staging
index 46eccf3fd..da2952efa 100644
--- a/.kamal/secrets.staging
+++ b/.kamal/secrets.staging
@@ -1,6 +1,12 @@
-SECRETS=$(kamal secrets fetch --adapter 1password --account basecamp --from Deploy/Fizzy Deployments/BASECAMP_REGISTRY_PASSWORD Deployments/DASH_BASIC_AUTH_SECRET Staging/RAILS_MASTER_KEY)
+SECRETS=$(kamal secrets fetch --adapter 1password --account basecamp --from Deploy/Fizzy Deployments/BASECAMP_REGISTRY_PASSWORD Deployments/DASH_BASIC_AUTH_SECRET Staging/RAILS_MASTER_KEY Staging/MYSQL_ALTER_PASSWORD Staging/MYSQL_ALTER_USER Staging/MYSQL_APP_PASSWORD Staging/MYSQL_APP_USER Staging/MYSQL_READONLY_PASSWORD Staging/MYSQL_READONLY_USER)
 
 GITHUB_TOKEN=$(gh config get -h github.com oauth_token)
 BASECAMP_REGISTRY_PASSWORD=$(kamal secrets extract BASECAMP_REGISTRY_PASSWORD $SECRETS)
 DASH_BASIC_AUTH_SECRET=$(kamal secrets extract DASH_BASIC_AUTH_SECRET $SECRETS)
 RAILS_MASTER_KEY=$(kamal secrets extract RAILS_MASTER_KEY $SECRETS)
+MYSQL_ALTER_PASSWORD=$(kamal secrets extract MYSQL_ALTER_PASSWORD $SECRETS)
+MYSQL_ALTER_USER=$(kamal secrets extract MYSQL_ALTER_USER $SECRETS)
+MYSQL_APP_PASSWORD=$(kamal secrets extract MYSQL_APP_PASSWORD $SECRETS)
+MYSQL_APP_USER=$(kamal secrets extract MYSQL_APP_USER $SECRETS)
+MYSQL_READONLY_PASSWORD=$(kamal secrets extract MYSQL_READONLY_PASSWORD $SECRETS)
+MYSQL_READONLY_USER=$(kamal secrets extract MYSQL_READONLY_USER $SECRETS)
diff --git a/bin/docker-entrypoint b/bin/docker-entrypoint
index 4f8ccb547..ad59377a4 100755
--- a/bin/docker-entrypoint
+++ b/bin/docker-entrypoint
@@ -2,7 +2,7 @@
 
 # If running the rails server then create or migrate existing database
 if [ "${1}" == "./bin/thrust" ] && [ "${2}" == "./bin/rails" ] && [ "${3}" == "server" ]; then
-  ./bin/rails db:prepare
+  MIGRATE=1 ./bin/rails db:prepare
 fi
 
 exec "${@}"
diff --git a/config/database.yml b/config/database.yml
index 513794386..2b5085410 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -1,7 +1,20 @@
+<%
+  if ENV["MIGRATE"].present?
+    mysql_app_user_key = "MYSQL_ALTER_USER"
+    mysql_app_password_key = "MYSQL_ALTER_PASSWORD"
+  else
+    mysql_app_user_key = "MYSQL_APP_USER"
+    mysql_app_password_key = "MYSQL_APP_PASSWORD"
+  end
+
+  mysql_app_user = ENV[mysql_app_user_key]
+  mysql_app_password = ENV[mysql_app_password_key]
+%>
+
 default: &default
   adapter: trilogy
-  host: <%= ENV.fetch "DB_HOST", "127.0.0.1" %>
-  port: <%= ENV.fetch "DB_PORT", 33380 %>
+  host: <%= ENV.fetch "FIZZY_DB_HOST", "127.0.0.1" %>
+  port: <%= ENV.fetch "FIZZY_DB_PORT", 3306 %>
   pool: 50
   timeout: 5000
 
@@ -9,22 +22,27 @@ development:
   primary:
     <<: *default
     database: fizzy_development
+    port: <%= ENV.fetch "FIZZY_DB_PORT", 33380 %>
   replica:
     <<: *default
     database: fizzy_development
     replica: true
+    port: <%= ENV.fetch "FIZZY_DB_PORT", 33380 %>
   cable:
     <<: *default
     database: development_cable
     migrations_paths: db/cable_migrate
+    port: <%= ENV.fetch "FIZZY_DB_PORT", 33380 %>
   cache:
     <<: *default
     database: development_cache
     migrations_paths: db/cache_migrate
+    port: <%= ENV.fetch "FIZZY_DB_PORT", 33380 %>
   queue:
     <<: *default
     database: development_queue
     migrations_paths: db/queue_migrate
+    port: <%= ENV.fetch "FIZZY_DB_PORT", 33380 %>
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
@@ -33,27 +51,48 @@ test:
   primary:
     <<: *default
     database: fizzy_test
+    port: <%= ENV.fetch "FIZZY_DB_PORT", 33380 %>
   replica:
     <<: *default
     database: fizzy_test
+    port: <%= ENV.fetch "FIZZY_DB_PORT", 33380 %>
     replica: true
 
 production: &production
   primary:
     <<: *default
-    database: fizzy_<%= Rails.env %>
+    database: fizzy_production
+    host: <%= ENV["MYSQL_DATABASE_HOST"] %>
+    username: <%= mysql_app_user %>
+    password: <%= mysql_app_password %>
+  replica:
+    <<: *default
+    database: fizzy_production
+    host: <%= ENV["MYSQL_DATABASE_REPLICA_HOST"] %>
+    username: <%= ENV["MYSQL_READONLY_USER"] %>
+    password: <%= ENV["MYSQL_READONLY_PASSWORD"] %>
+    replica: true
   cable:
     <<: *default
-    database: <%= Rails.env %>_cable
+    database: fizzy_solidcable_production
+    host: <%= ENV["MYSQL_SOLID_CABLE_HOST"] %>
+    username: <%= mysql_app_user %>
+    password: <%= mysql_app_password %>
     migrations_paths: db/cable_migrate
-  cache:
-    <<: *default
-    database: <%= Rails.env %>_cache
-    migrations_paths: db/cache_migrate
   queue:
     <<: *default
-    database: <%= Rails.env %>_queue
+    database: fizzy_solidqueue_production
+    host: <%= ENV["MYSQL_SOLID_QUEUE_HOST"] %>
+    username: <%= mysql_app_user %>
+    password: <%= mysql_app_password %>
     migrations_paths: db/queue_migrate
+  cache:
+    <<: *default
+    database: fizzy_solidcache_production
+    host: <%= ENV["MYSQL_SOLID_CACHE_HOST"] %>
+    username: <%= mysql_app_user %>
+    password: <%= mysql_app_password %>
+    migrations_paths: db/cache_migrate
 
 beta: *production
 staging: *production
diff --git a/config/deploy.production.yml b/config/deploy.production.yml
index 6ae1172ce..fd8bf9b12 100644
--- a/config/deploy.production.yml
+++ b/config/deploy.production.yml
@@ -1,21 +1,18 @@
 servers:
   web:
     hosts:
-      - fizzy-app-101.df-iad-int.37signals.com
-      - fizzy-app-102.df-iad-int.37signals.com
-      - fizzy-app-01.sc-chi-int.37signals.com
-      - fizzy-app-02.sc-chi-int.37signals.com
-      - fizzy-app-401.df-ams-int.37signals.com
-      - fizzy-app-402.df-ams-int.37signals.com
+      - fizzy-app-01.sc-chi-int.37signals.com: sc_chi
+      - fizzy-app-02.sc-chi-int.37signals.com: sc_chi
+      - fizzy-app-101.df-iad-int.37signals.com: df_iad
+      - fizzy-app-102.df-iad-int.37signals.com: df_iad
+      - fizzy-app-401.df-ams-int.37signals.com: df_ams
+      - fizzy-app-402.df-ams-int.37signals.com: df_ams
     labels:
       otel_scrape_enabled: true
   jobs:
     hosts:
-      - fizzy-app-101.df-iad-int.37signals.com
-    options:
-      # NFS mount for backups
-      # See https://3.basecamp.com/2914079/buckets/37331921/todos/9175385847
-      mount: type=volume,src=backups,dst=/backups,volume-driver=local,volume-opt=type=nfs,volume-opt=device=:/fizzy-production-backups,"volume-opt=o=addr=purestorage.sc-chi-int.37signals.com,nfsvers=3,rw,noatime,nconnect=8,soft,timeo=30,retrans=2"
+      - fizzy-app-101.df-iad-int.37signals.com: df_iad
+      - fizzy-app-102.df-iad-int.37signals.com: df_iad
     labels:
       otel_scrape_enabled: true
 
@@ -28,6 +25,26 @@ ssh:
 env:
   clear:
     RAILS_ENV: production
+    MYSQL_DATABASE_HOST: fizzy-mysql-primary
+    MYSQL_DATABASE_REPLICA_HOST: fizzy-mysql-replica
+    MYSQL_SOLID_CABLE_HOST: fizzy-mysql-primary
+    MYSQL_SOLID_QUEUE_HOST: fizzy-mysql-primary
+  secret:
+    - RAILS_MASTER_KEY
+    - MYSQL_ALTER_PASSWORD
+    - MYSQL_ALTER_USER
+    - MYSQL_APP_PASSWORD
+    - MYSQL_APP_USER
+    - MYSQL_READONLY_PASSWORD
+    - MYSQL_READONLY_USER
+  tags:
+    sc_chi:
+      MYSQL_SOLID_CACHE_HOST: fizzy-solidcache-db-101.df-iad-int.37signals.com
+    df_iad:
+      MYSQL_SOLID_CACHE_HOST: fizzy-solidcache-db-101.df-iad-int.37signals.com
+    df_ams:
+      MYSQL_SOLID_CACHE_HOST: fizzy-solidcache-db-101.df-iad-int.37signals.com
+
 
 accessories:
   load-balancer:
diff --git a/config/deploy.staging.yml b/config/deploy.staging.yml
index 8ee71d6fa..d89e41e3b 100644
--- a/config/deploy.staging.yml
+++ b/config/deploy.staging.yml
@@ -1,17 +1,18 @@
 servers:
   web:
     hosts:
-      - fizzy-staging-app-01.sc-chi-int.37signals.com
-      - fizzy-staging-app-02.sc-chi-int.37signals.com
-      - fizzy-staging-app-101.df-iad-int.37signals.com
-      - fizzy-staging-app-102.df-iad-int.37signals.com
-      - fizzy-staging-app-401.df-ams-int.37signals.com
-      - fizzy-staging-app-402.df-ams-int.37signals.com
+      - fizzy-staging-app-101.df-iad-int.37signals.com: df_iad
+      - fizzy-staging-app-102.df-iad-int.37signals.com: df_iad
+      - fizzy-staging-app-01.sc-chi-int.37signals.com: sc_chi
+      - fizzy-staging-app-02.sc-chi-int.37signals.com: sc_chi
+      - fizzy-staging-app-401.df-ams-int.37signals.com: df_ams
+      - fizzy-staging-app-402.df-ams-int.37signals.com: df_ams
     labels:
       otel_scrape_enabled: true
   jobs:
     hosts:
-      - fizzy-staging-app-01.sc-chi-int.37signals.com
+      - fizzy-staging-app-101.df-iad-int.37signals.com: df_iad
+      - fizzy-staging-app-102.df-iad-int.37signals.com: df_iad
     labels:
       otel_scrape_enabled: true
 
@@ -24,6 +25,26 @@ ssh:
 env:
   clear:
     RAILS_ENV: staging
+    MYSQL_DATABASE_HOST: fizzy-staging-mysql-primary
+    MYSQL_DATABASE_REPLICA_HOST: fizzy-staging-mysql-replica
+    MYSQL_SOLID_CABLE_HOST: fizzy-staging-mysql-primary
+    MYSQL_SOLID_QUEUE_HOST: fizzy-staging-mysql-primary
+  secret:
+    - RAILS_MASTER_KEY
+    - MYSQL_ALTER_PASSWORD
+    - MYSQL_ALTER_USER
+    - MYSQL_APP_PASSWORD
+    - MYSQL_APP_USER
+    - MYSQL_READONLY_PASSWORD
+    - MYSQL_READONLY_USER
+  tags:
+    sc_chi:
+      MYSQL_SOLID_CACHE_HOST: fizzy-staging-solidcache-db-101.df-iad-int.37signals.com
+    df_iad:
+      MYSQL_SOLID_CACHE_HOST: fizzy-staging-solidcache-db-101.df-iad-int.37signals.com
+    df_ams:
+      MYSQL_SOLID_CACHE_HOST: fizzy-staging-solidcache-db-101.df-iad-int.37signals.com
+
 
 accessories:
   load-balancer:
diff --git a/config/initializers/active_storage.rb b/config/initializers/active_storage.rb
index 830f8582c..096239d13 100644
--- a/config/initializers/active_storage.rb
+++ b/config/initializers/active_storage.rb
@@ -3,3 +3,8 @@ ActiveSupport.on_load(:active_storage_blob) do
     expires_in 5.minutes, public: true
   end
 end
+
+# Use DB read/write splitting for Active Storage models
+ActiveSupport.on_load(:active_storage_record) do
+  connects_to database: { writing: :primary, reading: :replica }
+end
diff --git a/script/configure-lb-staging.sh b/script/configure-lb-staging.sh
index 17ae50494..789865d16 100755
--- a/script/configure-lb-staging.sh
+++ b/script/configure-lb-staging.sh
@@ -4,66 +4,44 @@ set -e
 
 # fizzy-staging-lb-01.sc-chi-int.37signals.com
 #
-#   Service      Host                         Path    Target                                                                                       State    TLS
-#   fizzy        fizzy.37signals-staging.com  /       fizzy-staging-app-01.sc-chi-int.37signals.com,fizzy-staging-app-02.sc-chi-int.37signals.com  running  yes
-#   fizzy-admin  fizzy.37signals-staging.com  /admin  fizzy-staging-app-01.sc-chi-int.37signals.com                                                running  yes
 ssh app@fizzy-staging-lb-01.sc-chi-int.37signals.com \
   docker exec fizzy-load-balancer \
     kamal-proxy deploy fizzy \
+      --force \
       --tls \
       --host=fizzy.37signals-staging.com \
-      --target=fizzy-staging-app-01.sc-chi-int.37signals.com \
-      --read-target=fizzy-staging-app-02.sc-chi-int.37signals.com \
-      --tls-acme-cache-path=/certificates
-
-ssh app@fizzy-staging-lb-01.sc-chi-int.37signals.com \
-  docker exec fizzy-load-balancer \
-    kamal-proxy deploy fizzy-admin \
-      --host=fizzy.37signals-staging.com \
-      --path-prefix /admin \
-      --strip-path-prefix=false \
-      --target=fizzy-staging-app-01.sc-chi-int.37signals.com
+      --writer-affinity-timeout=1s \
+      --tls-acme-cache-path=/certificates \
+      --target=fizzy-staging-app-101.df-iad-int.37signals.com \
+      --target=fizzy-staging-app-102.df-iad-int.37signals.com \
+      --read-target=fizzy-staging-app-01.sc-chi-int.37signals.com \
+      --read-target=fizzy-staging-app-02.sc-chi-int.37signals.com
 
 # fizzy-staging-lb-101.df-iad-int.37signals.com
 #
-#   Service      Host                         Path    Target                                                                                        State    TLS
-#   fizzy        fizzy.37signals-staging.com  /       fizzy-staging-app-01.sc-chi-int.37signals.com,fizzy-staging-app-102.df-iad-int.37signals.com  running  yes
-#   fizzy-admin  fizzy.37signals-staging.com  /admin  fizzy-staging-app-01.sc-chi-int.37signals.com                                                 running  yes
 ssh app@fizzy-staging-lb-101.df-iad-int.37signals.com \
   docker exec fizzy-load-balancer \
     kamal-proxy deploy fizzy \
+      --force \
       --tls \
       --host=fizzy.37signals-staging.com \
-      --target=fizzy-staging-app-01.sc-chi-int.37signals.com \
-      --read-target=fizzy-staging-app-102.df-iad-int.37signals.com \
-      --tls-acme-cache-path=/certificates
-
-ssh app@fizzy-staging-lb-101.df-iad-int.37signals.com \
-  docker exec fizzy-load-balancer \
-    kamal-proxy deploy fizzy-admin \
-      --host=fizzy.37signals-staging.com \
-      --path-prefix /admin \
-      --strip-path-prefix=false \
-      --target=fizzy-staging-app-01.sc-chi-int.37signals.com
+      --writer-affinity-timeout=1s \
+      --tls-acme-cache-path=/certificates \
+      --target=fizzy-staging-app-101.df-iad-int.37signals.com \
+      --target=fizzy-staging-app-102.df-iad-int.37signals.com
 
 # fizzy-staging-lb-401.df-ams-int.37signals.com
 #
-#   Service      Host                         Path    Target                                                                                        State    TLS
-#   fizzy        fizzy.37signals-staging.com  /       fizzy-staging-app-01.sc-chi-int.37signals.com,fizzy-staging-app-402.df-ams-int.37signals.com  running  yes
-#   fizzy-admin  fizzy.37signals-staging.com  /admin  fizzy-staging-app-01.sc-chi-int.37signals.com                                                 running  yes
 ssh app@fizzy-staging-lb-401.df-ams-int.37signals.com \
   docker exec fizzy-load-balancer \
     kamal-proxy deploy fizzy \
+      --force \
       --tls \
       --host=fizzy.37signals-staging.com \
-      --target=fizzy-staging-app-01.sc-chi-int.37signals.com \
-      --read-target=fizzy-staging-app-402.df-ams-int.37signals.com \
-      --tls-acme-cache-path=/certificates
+      --writer-affinity-timeout=1s \
+      --tls-acme-cache-path=/certificates \
+      --target=fizzy-staging-app-101.df-iad-int.37signals.com \
+      --target=fizzy-staging-app-102.df-iad-int.37signals.com \
+      --read-target=fizzy-staging-app-401.df-ams-int.37signals.com \
+      --read-target=fizzy-staging-app-402.df-ams-int.37signals.com 
 
-ssh app@fizzy-staging-lb-401.df-ams-int.37signals.com \
-  docker exec fizzy-load-balancer \
-    kamal-proxy deploy fizzy-admin \
-      --host=fizzy.37signals-staging.com \
-      --path-prefix /admin \
-      --strip-path-prefix=false \
-      --target=fizzy-staging-app-01.sc-chi-int.37signals.com