diff --git a/f1tness_parser/base.puml b/f1tness_parser/base.puml
new file mode 100644
index 0000000..13008f2
--- /dev/null
+++ b/f1tness_parser/base.puml
@@ -0,0 +1,25 @@
+@startuml
+actor client
+agent "web interface" as WEB_UI
+agent "ios app" as IOS_APP
+agent "telegram app" as TG_APP
+
+frame docker:f1tness_db {
+    database "PostgreSQL" as db
+}
+
+frame docker:fastAPI {
+    node backend_API
+    node frontend_renderer
+}
+
+client <--> WEB_UI
+client <--> IOS_APP
+client <--> TG_APP
+
+WEB_UI <--> frontend_renderer
+IOS_APP <--> backend_API
+TG_APP <--> backend_API
+
+backend_API --> db
+@enduml
\ No newline at end of file
diff --git a/home_app/db_finances.puml b/home_app/db_finances.puml
new file mode 100644
index 0000000..e69de29
diff --git a/home_app/db_fitness.puml b/home_app/db_fitness.puml
new file mode 100644
index 0000000..edd6b19
--- /dev/null
+++ b/home_app/db_fitness.puml
@@ -0,0 +1,51 @@
+@startuml
+
+!include db_styling.puml
+
+package "Fitness app" <<Frame>> {
+    entity "Training" as training_table {
+        PRIMARY_KEY(id): INTEGER
+        ---
+        date : DATETIME
+        tariner: ENUM
+    }
+
+    entity "Exercise" as exercise_table {
+        PRIMARY_KEY(id): INTEGER
+        ---
+        FOREIGN_KEY(training_id): INTEGER
+        name: VARCHAR(300)
+    }
+
+    entity "Approach" as approach_table {
+        PRIMARY_KEY(id): INTEGER
+        ---
+        FOREIGN_KEY(exercise_id): INTEGER
+        weight: REAL
+        reps: INTEGER
+        splitted_weight: BOOL
+    }
+
+    ' Monthly Fitness Log table
+    entity "MonthlyLog" as monthly_log {
+        PRIMARY_KEY(id) : INTEGER
+        --
+        FOREIGN_KEY(activity_id) : INTEGER
+        month_name : VARCHAR(20)
+        duration : TIME
+        distance : DECIMAL(6,2)
+    }
+
+    entity "CardioActivity" as cardio_activity_table {
+        PRIMARY_KEY(id) : INTEGER
+        ---
+        name : VARCHAR(255)
+    }
+}
+
+approach_table }o--|| exercise_table 
+exercise_table }o--|| training_table 
+
+monthly_log ||-|| cardio_activity_table
+
+@enduml
\ No newline at end of file
diff --git a/home_app/db_home.puml b/home_app/db_home.puml
new file mode 100644
index 0000000..ac683f1
--- /dev/null
+++ b/home_app/db_home.puml
@@ -0,0 +1,7 @@
+@startuml 
+title: Home app
+
+!include db_fitness.puml
+!include db_investments.puml
+
+@enduml
\ No newline at end of file
diff --git a/home_app/db_investments.puml b/home_app/db_investments.puml
new file mode 100644
index 0000000..783d8fc
--- /dev/null
+++ b/home_app/db_investments.puml
@@ -0,0 +1,39 @@
+
+@startuml
+
+!include db_styling.puml
+
+package "Finances app" <<Frame>> {
+    entity "Deal" as deal_table {
+        PRIMARY_KEY(id) : INTEGER
+        --
+        FOREIGN_KEY(account_id) : INTEGER 
+        FOREIGN_KEY(asset_id) : INTEGER 
+        price : REAL
+        amount: INTEGER
+        commission : REAL
+        action : ENUM('buy', 'sell')
+        created_at : TIMESTAMP
+        description : TEXT
+    }
+
+    entity "Account" as account_table {
+        PRIMARY_KEY(id) : INTEGER
+        --
+        name : VARCHAR(10) 
+        description : TEXT
+        is_active : BOOLEAN
+    }
+
+    entity "Asset" as asset_table {
+        PRIMARY_KEY(id) : INTEGER
+        ---
+        name: VARCHAR(100)
+        ticker: VARCHAR(10)
+    }
+}
+
+deal_table ||--|| account_table
+deal_table ||--|| asset_table
+
+@enduml
\ No newline at end of file
diff --git a/home_app/db_styling.puml b/home_app/db_styling.puml
new file mode 100644
index 0000000..341fb3f
--- /dev/null
+++ b/home_app/db_styling.puml
@@ -0,0 +1,8 @@
+
+@startuml
+
+!define PRIMARY_KEY(x) <color:#c6b709><&key></color> x
+!define FOREIGN_KEY(x) <color:silver><&key></color> x
+!define ENUM_FIELD(name, values) name : VARCHAR(20) <<ENUM values>>
+
+@enduml
\ No newline at end of file