diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..112814f
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,6 @@
+_build
+_checkouts
+.git
+.github
+.claude
+*.crashdump
diff --git a/docker-compose.yml b/docker-compose.yml
index 08304e8..e03c232 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,10 +5,9 @@ services:
     command: -c 'max_connections=2000'
     environment:
       POSTGRES_PASSWORD: root
+      POSTGRES_DB: chatli
     ports:
       - 5555:5432
-    volumes:
-      - ./sql:/docker-entrypoint-initdb.d
   adminer:
     image: adminer
     ports:
diff --git a/sql/10_ldf.sql b/sql/10_ldf.sql
deleted file mode 100755
index 05efc8d..0000000
--- a/sql/10_ldf.sql
+++ /dev/null
@@ -1,23 +0,0 @@
-CREATE DATABASE ldf;
-
-\c ldf;
-
-CREATE TABLE li
-(
-    id SERIAL PRIMARY KEY,
-    type VARCHAR NOT NULL,
-    value VARCHAR NOT NULL,
-    callback_id uuid NOT NULL,
-    user_id uuid NOT NULL,
-    username VARCHAR,
-    phone_number VARCHAR,
-    email VARCHAR
-);
-
-CREATE TABLE ldf_message
-(
-    id SERIAL PRIMARY KEY,
-    message_id UUID NOT NULL,
-    payload VARCHAR,
-    content_length VARCHAR
-);
\ No newline at end of file
diff --git a/sql/20_chatli.sql b/sql/20_chatli.sql
deleted file mode 100755
index 318fbe6..0000000
--- a/sql/20_chatli.sql
+++ /dev/null
@@ -1,70 +0,0 @@
-CREATE DATABASE chatli;
-
-\c  chatli;
-
-CREATE EXTENSION pgcrypto;
-
-CREATE TABLE chatli_user
-(
-    id uuid PRIMARY KEY,
-    username varchar NOT NULL UNIQUE,
-    phone_number varchar UNIQUE,
-    email varchar UNIQUE,
-    avatar varchar,
-    password varchar NOT NULL
-);
-
-CREATE TABLE message
-(
-    id uuid PRIMARY KEY,
-    chat_id uuid NOT NULL,
-    payload jsonb,
-    sender uuid NOT NULL,
-    type varchar,
-    action varchar,
-    timestamp bigint,
-    sender_info jsonb
-);
-
-CREATE TABLE chat
-(
-    id uuid PRIMARY KEY,
-    name varchar NOT NULL,
-    description varchar,
-    type varchar
-);
-
-CREATE TABLE participant
-(
-    id SERIAL PRIMARY KEY,
-    chat_id uuid,
-    user_id uuid,
-    UNIQUE(chat_id, user_id)
-);
-
-CREATE TABLE callback
-(
-    id UUID PRIMARY KEY,
-    user_id UUID NOT NULL,
-    url VARCHAR NOT NULL
-);
-
-
-CREATE TABLE device
-(
-    id UUID PRIMARY KEY,
-    user_id UUID NOT NULL,
-    name VARCHAR
-);
-
-CREATE TABLE attachment
-(
-    id UUID PRIMARY KEY,
-    chat_id UUID NOT NULL,
-    mime VARCHAR NOT NULL,
-    length INTEGER
-);
-
-INSERT INTO chatli_user (id, username, phone_number, email, password) VALUES (gen_random_uuid(), 'alice', '461234', 'alice@example.com', 'alice');
-INSERT INTO chatli_user (id, username, phone_number, email, password) VALUES (gen_random_uuid(), 'bob', '462345', 'bob@example.com', 'bob');
-INSERT INTO chatli_user (id, username, phone_number, email, password) VALUES (gen_random_uuid(), 'ceasar', '463456', 'ceasar@example.com', 'ceasar');
\ No newline at end of file
diff --git a/sql/seed.sql b/sql/seed.sql
new file mode 100644
index 0000000..f8a57d3
--- /dev/null
+++ b/sql/seed.sql
@@ -0,0 +1,12 @@
+-- Sample users for local dev and tests. Apply AFTER the app has booted
+-- and run its kura migrations (tables are created on boot, not here):
+--   docker exec chatli-db-1 psql -U postgres -d chatli -f /seed/seed.sql
+INSERT INTO chatli_user (id, username, phone_number, email, password)
+VALUES (gen_random_uuid(), 'alice', '461234', 'alice@example.com', 'alice')
+ON CONFLICT DO NOTHING;
+INSERT INTO chatli_user (id, username, phone_number, email, password)
+VALUES (gen_random_uuid(), 'bob', '462345', 'bob@example.com', 'bob')
+ON CONFLICT DO NOTHING;
+INSERT INTO chatli_user (id, username, phone_number, email, password)
+VALUES (gen_random_uuid(), 'ceasar', '463456', 'ceasar@example.com', 'ceasar')
+ON CONFLICT DO NOTHING;
diff --git a/src/chatli_app.erl b/src/chatli_app.erl
index 9b10fe1..ef05dfa 100644
--- a/src/chatli_app.erl
+++ b/src/chatli_app.erl
@@ -15,6 +15,7 @@
 %%====================================================================
 
 start(_StartType, _StartArgs) ->
+    {ok, _} = kura_migrator:migrate(chatli_repo),
     chatli_sup:start_link().
 
 %%--------------------------------------------------------------------
diff --git a/src/migrations/m20260624090455_update_schema.erl b/src/migrations/m20260624090455_update_schema.erl
new file mode 100644
index 0000000..056daa8
--- /dev/null
+++ b/src/migrations/m20260624090455_update_schema.erl
@@ -0,0 +1,60 @@
+-module(m20260624090455_update_schema).
+-behaviour(kura_migration).
+-include_lib("kura/include/kura.hrl").
+-export([up/0, down/0]).
+
+up() ->
+    [{create_table, <<"attachment">>, [
+        #kura_column{name = id, type = uuid, primary_key = true},
+        #kura_column{name = chat_id, type = uuid, nullable = false},
+        #kura_column{name = mime, type = string, nullable = false},
+        #kura_column{name = length, type = integer}
+    ]},
+     {create_table, <<"callback">>, [
+        #kura_column{name = id, type = uuid, primary_key = true},
+        #kura_column{name = user_id, type = uuid, nullable = false},
+        #kura_column{name = url, type = string, nullable = false}
+    ]},
+     {create_table, <<"chat">>, [
+        #kura_column{name = id, type = uuid, primary_key = true},
+        #kura_column{name = name, type = string, nullable = false},
+        #kura_column{name = description, type = string},
+        #kura_column{name = type, type = string}
+    ]},
+     {create_table, <<"chatli_user">>, [
+        #kura_column{name = id, type = uuid, primary_key = true},
+        #kura_column{name = username, type = string, nullable = false},
+        #kura_column{name = phone_number, type = string},
+        #kura_column{name = email, type = string},
+        #kura_column{name = avatar, type = string},
+        #kura_column{name = password, type = string, nullable = false}
+    ]},
+     {create_table, <<"device">>, [
+        #kura_column{name = id, type = uuid, primary_key = true},
+        #kura_column{name = user_id, type = uuid, nullable = false},
+        #kura_column{name = name, type = string}
+    ]},
+     {create_table, <<"message">>, [
+        #kura_column{name = id, type = uuid, primary_key = true},
+        #kura_column{name = chat_id, type = uuid, nullable = false},
+        #kura_column{name = payload, type = jsonb},
+        #kura_column{name = sender, type = uuid, nullable = false},
+        #kura_column{name = type, type = string},
+        #kura_column{name = action, type = string},
+        #kura_column{name = timestamp, type = integer},
+        #kura_column{name = sender_info, type = jsonb}
+    ]},
+     {create_table, <<"participant">>, [
+        #kura_column{name = id, type = id, primary_key = true},
+        #kura_column{name = chat_id, type = uuid},
+        #kura_column{name = user_id, type = uuid}
+    ]}].
+
+down() ->
+    [{drop_table, <<"attachment">>},
+     {drop_table, <<"callback">>},
+     {drop_table, <<"chat">>},
+     {drop_table, <<"chatli_user">>},
+     {drop_table, <<"device">>},
+     {drop_table, <<"message">>},
+     {drop_table, <<"participant">>}].
diff --git a/src/schemas/ldf_message.erl b/src/schemas/ldf_message.erl
deleted file mode 100644
index 4defab8..0000000
--- a/src/schemas/ldf_message.erl
+++ /dev/null
@@ -1,15 +0,0 @@
--module(ldf_message).
--behaviour(kura_schema).
-
--include_lib("kura/include/kura.hrl").
-
--export([table/0, fields/0]).
-
-table() -> ~"ldf_message".
-
-fields() -> [
-    #kura_field{name = id, type = id, primary_key = true},
-    #kura_field{name = message_id, type = uuid, nullable = false},
-    #kura_field{name = payload, type = string},
-    #kura_field{name = content_length, type = string}
-].
diff --git a/src/schemas/li.erl b/src/schemas/li.erl
deleted file mode 100644
index 4a2c0b9..0000000
--- a/src/schemas/li.erl
+++ /dev/null
@@ -1,19 +0,0 @@
--module(li).
--behaviour(kura_schema).
-
--include_lib("kura/include/kura.hrl").
-
--export([table/0, fields/0]).
-
-table() -> ~"li".
-
-fields() -> [
-    #kura_field{name = id, type = id, primary_key = true},
-    #kura_field{name = type, type = string, nullable = false},
-    #kura_field{name = value, type = string, nullable = false},
-    #kura_field{name = callback_id, type = uuid, nullable = false},
-    #kura_field{name = user_id, type = uuid, nullable = false},
-    #kura_field{name = username, type = string},
-    #kura_field{name = phone_number, type = string},
-    #kura_field{name = email, type = string}
-].