diff --git a/command_line_assistant/config/schemas.py b/command_line_assistant/config/schemas.py
index 410ffc3..8264bad 100644
--- a/command_line_assistant/config/schemas.py
+++ b/command_line_assistant/config/schemas.py
@@ -11,6 +11,14 @@
 class DatabaseSchema:
     """This class represents the [history.database] section of our config.toml file.
 
+    Notes:
+        If you are running MySQL or MariaDB in a container and want to test it
+        out, don't set the host to "localhost", but set it to "127.0.0.1". The
+        "localhost" will use the mysql socket connector, and "127.0.0.1" will
+        use TCP connector.
+
+        Reference: https://stackoverflow.com/a/4448568
+
     Attributes:
         connection (str): The connection string.
     """
diff --git a/command_line_assistant/daemon/database/models/history.py b/command_line_assistant/daemon/database/models/history.py
index a4cd62f..45c9f15 100644
--- a/command_line_assistant/daemon/database/models/history.py
+++ b/command_line_assistant/daemon/database/models/history.py
@@ -3,7 +3,7 @@
 import uuid
 from datetime import datetime
 
-from sqlalchemy import Column, DateTime, ForeignKey, Integer, String
+from sqlalchemy import Column, DateTime, ForeignKey, Integer, String, Text
 from sqlalchemy.orm import relationship
 
 from command_line_assistant.daemon.database.models.base import GUID, BaseModel
@@ -30,11 +30,11 @@ class InteractionModel(BaseModel):
     __tablename__ = "interaction"
 
     id = Column(GUID(), primary_key=True, default=uuid.uuid4)
-    query_text = Column(String)
-    query_role = Column(String, default="user")
-    response_text = Column(String)
-    response_role = Column(String, default="assistant")
+    query_text = Column(Text)
+    query_role = Column(String(4), default="user")
+    response_text = Column(Text)
+    response_role = Column(String(9), default="assistant")
     response_tokens = Column(Integer, default=0)
-    os_distribution = Column(String, default="RHEL")
-    os_version = Column(String, nullable=False)
-    os_arch = Column(String, nullable=False)
+    os_distribution = Column(String(4), default="RHEL")
+    os_version = Column(String(100), nullable=False)
+    os_arch = Column(String(7), nullable=False)
diff --git a/data/release/xdg/config.toml b/data/release/xdg/config.toml
index abeb85c..de48a8f 100644
--- a/data/release/xdg/config.toml
+++ b/data/release/xdg/config.toml
@@ -1,31 +1,71 @@
-[output]
+# ------------------ experimental
+# Experimental settings for output. Not yet working.
+#[output]
 # otherwise recording via script session will be enforced
-enforce_script = false
+#enforce_script = false
 # file with output(s) of regular commands (e.g. ls, echo, etc.)
-file = "/tmp/command-line-assistant/output.txt"
+#file = "/tmp/command-line-assistant/output.txt"
 # Keep non-empty if your file contains only output of commands (not prompt itself)
-prompt_separator = "$"
+#prompt_separator = "$"
+# ------------------ experimental
 
+# History management configuration
 [history]
+# If the history for all conversation should be enabled or not. By default,
+# this is enabled and will store in a database defined under
+# [history.database]. The conversation is stored per-user.
 enabled = true
 
+# History Database settings. By default, sqlite is used.
 [history.database]
+# Available types for databases are: sqlite, postgresql and mysql. Mariadb can
+# be used as well with "mysql" type.
 type = "sqlite"
+# Connection string refers to the path where the sqlite database will be
+# placed. Only available with sqlite type.
 connection_string = "/var/lib/command-line-assistant/history.db"
 
+# In order to use postgresql, uncomment the following settings:
+# [history.database]
+# type = "postgresql"
+# host = "localhost"
+# port = "5432"
+# database = "history"
+# user = "your-user"
+# password = "your-password"
+
+# Or, to use mysql, uncomment the following:
+# [history.database]
+# type = "mysql"
+# host = "localhost"
+# port = "3306"
+# database = "history"
+# user = "your-user"
+# password = "your-password"
+
+# Backend settings for communicating with the external API.
 [backend]
+# The endpoint points to an API server.
 endpoint = "http://localhost:8080"
 
+# Configure authentication settings for backend
 [backend.auth]
-# cert_file = "/etc/pki/consumer/cert.pem"
-# key_file = "/etc/pki/consumer/key.pem"
-# verify_ssl = true
-
+# The path to the certificate file generated by RHSM.
+cert_file = "/etc/pki/consumer/cert.pem"
+# The path to the key file generated by RHSM.
+key_file = "/etc/pki/consumer/key.pem"
+# If SSL verification should be set. Don't disabled tihs for production server.
+verify_ssl = true
 
+# Logging configuration settings
 [logging]
-level = "DEBUG"
-responses = true # Global setting - don't log responses by default
+# The default logging level for all messages logged by CLAD.
+level = "INFO"
+# Global setting to enable logging responses in an audit file and journald
+responses = true
+# Global setting to enable logging question in an audit file and journald
 question = true  # Global setting - don't log questions by default
 
-# User-specific settings
+# User-specific settings that can override the global settings based on user name.
+# Note: The user must exist in order for this to work.
 # users.admin = { responses = true, question = true }
diff --git a/packaging/command-line-assistant.spec b/packaging/command-line-assistant.spec
index 7142f6a..71d6de8 100644
--- a/packaging/command-line-assistant.spec
+++ b/packaging/command-line-assistant.spec
@@ -169,6 +169,7 @@ fi
 
 %changelog
 * Wed Jan 22 2025 Rodolfo Olivieri <rolivier@redhat.com> 0.2.0
+- Add String siez liimt to SQLAlchemy models
 - Add workaround for SQLite UUID types
 - Update packaging to include selinux custom policy
 - Fix returncode when running commands
diff --git a/pdm.lock b/pdm.lock
index 4d3498a..d174bb0 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "dev"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:0766be8f03c0e5a45a024af107efc70f7b301f28f33351465bac1b7a33416a28"
+content_hash = "sha256:f4824296123f6c8de494d892494900c0abf932856504d3e2bfa2d7d972ad1361"
 
 [[metadata.targets]]
 requires_python = ">=3.9"
@@ -644,13 +644,13 @@ files = [
 
 [[package]]
 name = "pygments"
-version = "2.18.0"
+version = "2.19.1"
 requires_python = ">=3.8"
 summary = "Pygments is a syntax highlighting package written in Python."
 groups = ["dev"]
 files = [
-    {file = "pygments-2.18.0-py3-none-any.whl", hash = "sha256:b8e6aca0523f3ab76fee51799c488e38782ac06eafcf95e7ba832985c8e7b13a"},
-    {file = "pygments-2.18.0.tar.gz", hash = "sha256:786ff802f32e91311bff3889f6e9a86e81505fe99f2735bb6d60ae0c5004f199"},
+    {file = "pygments-2.19.1-py3-none-any.whl", hash = "sha256:9ea1544ad55cecf4b8242fab6dd35a93bbce657034b0611ee383099054ab6d8c"},
+    {file = "pygments-2.19.1.tar.gz", hash = "sha256:61c16d2a8576dc0649d9f39e089b5f02bcd27fba10d8fb4dcc28173f7a45151f"},
 ]
 
 [[package]]
@@ -834,7 +834,7 @@ files = [
 
 [[package]]
 name = "responses"
-version = "0.25.3"
+version = "0.25.6"
 requires_python = ">=3.8"
 summary = "A utility library for mocking out the `requests` Python library."
 groups = ["dev"]
@@ -844,8 +844,8 @@ dependencies = [
     "urllib3<3.0,>=1.25.10",
 ]
 files = [
-    {file = "responses-0.25.3-py3-none-any.whl", hash = "sha256:521efcbc82081ab8daa588e08f7e8a64ce79b91c39f6e62199b19159bea7dbcb"},
-    {file = "responses-0.25.3.tar.gz", hash = "sha256:617b9247abd9ae28313d57a75880422d55ec63c29d33d629697590a034358dba"},
+    {file = "responses-0.25.6-py3-none-any.whl", hash = "sha256:9cac8f21e1193bb150ec557875377e41ed56248aed94e4567ed644db564bacf1"},
+    {file = "responses-0.25.6.tar.gz", hash = "sha256:eae7ce61a9603004e76c05691e7c389e59652d91e94b419623c12bbfb8e331d8"},
 ]
 
 [[package]]
@@ -1201,7 +1201,7 @@ files = [
 
 [[package]]
 name = "virtualenv"
-version = "20.28.0"
+version = "20.29.1"
 requires_python = ">=3.8"
 summary = "Virtual Python Environment builder"
 groups = ["dev"]
@@ -1212,8 +1212,8 @@ dependencies = [
     "platformdirs<5,>=3.9.1",
 ]
 files = [
-    {file = "virtualenv-20.28.0-py3-none-any.whl", hash = "sha256:23eae1b4516ecd610481eda647f3a7c09aea295055337331bb4e6892ecce47b0"},
-    {file = "virtualenv-20.28.0.tar.gz", hash = "sha256:2c9c3262bb8e7b87ea801d715fae4495e6032450c71d2309be9550e7364049aa"},
+    {file = "virtualenv-20.29.1-py3-none-any.whl", hash = "sha256:4e4cb403c0b0da39e13b46b1b2476e505cb0046b25f242bee80f62bf990b2779"},
+    {file = "virtualenv-20.29.1.tar.gz", hash = "sha256:b8b8970138d32fb606192cb97f6cd4bb644fa486be9308fb9b63f81091b5dc35"},
 ]
 
 [[package]]
diff --git a/podman-compose.yaml b/podman-compose.yaml
index ebc1783..8a6ea65 100644
--- a/podman-compose.yaml
+++ b/podman-compose.yaml
@@ -1,22 +1,38 @@
 version: "3"
 
 services:
-  mock-server:
-    image: mockoon/cli:latest
-    command: ["--data", "data", "--port", "3000"]
-    healthcheck:
-      test: ["CMD-SHELL", "curl -f http://localhost:3000/your-healthcheck-route || exit 1"]
-      interval: 30s
-      timeout: 5s
-      retries: 2
-      start_period: 10s
+  postgres:
+    image: postgres
+    shm_size: 128mb
+    environment:
+      POSTGRES_PASSWORD: cla
+      POSTGRES_DB: history
     ports:
-      - 3000:3000
-    volumes:
-      - ./mocks/mockoon/routes.json:/data:Z
-    networks:
-      - demo
+      - 5432:5432
 
-networks:
-  demo:
-    driver: bridge
+  mariadb:
+    image: mariadb
+    environment:
+      MARIADB_ROOT_PASSWORD: cla
+      MARIADB_DATABASE: history
+    ports:
+      - 3306:3306
+    expose:
+      - 3306
+
+  mysql:
+    image: mysql
+    environment:
+      MYSQL_ROOT_PASSWORD: cla
+      MYSQL_DATABASE: history
+    ports:
+      - 3306:3306
+    expose:
+      - 3306
+
+  # Inspect DB
+  adminer:
+    image: adminer
+    restart: always
+    ports:
+      - 8080:8080
diff --git a/pyproject.toml b/pyproject.toml
index fe69956..2a0ce0c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,11 @@ scripts = { c = "command_line_assistant.initialize:initialize", clad = "command_
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
 
-[dependency-groups]
+[project.optional-dependencies]
+db = [
+    "psycopg2>=2.9.10",
+    "mysqlclient>=2.2.7",
+]
 dev = [
     "pytest==8.3.4",
     "pytest-cov==6.0.0",
diff --git a/tests/conftest.py b/tests/conftest.py
index 140a724..c00c247 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -70,7 +70,8 @@ def mock_config(tmp_path):
                 ),
             ),
             history=HistorySchema(
-                enabled=True, database=DatabaseSchema(connection_string=history_db)
+                enabled=True,
+                database=DatabaseSchema(type="sqlite", connection_string=history_db),
             ),
             logging=LoggingSchema(
                 level="debug",