diff --git a/.env b/.env
deleted file mode 100644
index e69de29..0000000
diff --git a/.gitignore b/.gitignore
index 13a2081..ce93939 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,7 @@
 /target
 /postgres-data
+
+.env*
+.log*
+.out*
+.tmp*
diff --git a/migrations/20241103234720_users.sql b/migrations/20241103234720_users.sql
index 0060981..48b90a5 100644
--- a/migrations/20241103234720_users.sql
+++ b/migrations/20241103234720_users.sql
@@ -1,10 +1,69 @@
 -- Add migration script here
 
 CREATE TABLE users (
-    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
     real_name VARCHAR(255) NOT NULL,
     username VARCHAR(255) NOT NULL UNIQUE,
     email VARCHAR(255) NOT NULL,
     password_hash VARCHAR(255) NOT NULL,
+    is_admin BOOLEAN NOT NULL DEFAULT FALSE,
     created_at TIMESTAMP NOT NULL DEFAULT NOW()
 );
+
+CREATE TABLE muscles (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name VARCHAR(255) NOT NULL
+);
+
+CREATE TABLE body_parts (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name VARCHAR(255) NOT NULL
+);
+
+CREATE TABLE muscle_bodypart_relations (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    muscle_id UUID NOT NULL REFERENCES muscles(id),
+    body_part_id UUID NOT NULL REFERENCES body_parts(id)
+);
+
+CREATE TYPE exercise_type AS ENUM (
+    'dumbbell',
+    'barbell',
+    'bodyweight',
+    'machine',
+    'kettlebell',
+    'resistance_band',
+    'cable',
+    'medicine_ball',
+    'plyometric',
+    'plate_loaded_machine'
+);
+
+CREATE TABLE exercises (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name VARCHAR(255) NOT NULL,
+    exercise_type exercise_type NOT NULL
+);
+
+CREATE TABLE exercise_muscle_relations (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    exercise_id UUID NOT NULL REFERENCES exercises(id),
+    muscle_id UUID NOT NULL REFERENCES muscles(id),
+    is_primary BOOLEAN NOT NULL
+);
+
+CREATE TABLE workouts (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id UUID NOT NULL REFERENCES users(id),
+    start_time TIMESTAMP NOT NULL,
+    end_time TIMESTAMP NOT NULL
+);
+
+CREATE TABLE user_sets (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    user_id UUID NOT NULL REFERENCES users(id),
+    exercise_id UUID NOT NULL REFERENCES exercises(id),
+    workout_id UUID NOT NULL REFERENCES workouts(id),
+    reps INTEGER NOT NULL CHECK (reps > 0)
+);
+