diff --git a/.vscode/PythonImportHelper-v2-Completion.json b/.vscode/PythonImportHelper-v2-Completion.json
index 9a914c0..65977b9 100644
--- a/.vscode/PythonImportHelper-v2-Completion.json
+++ b/.vscode/PythonImportHelper-v2-Completion.json
@@ -24,6 +24,15 @@
         "detail": "pathlib",
         "documentation": {}
     },
+    {
+        "label": "dotenv",
+        "kind": 6,
+        "isExtraImport": true,
+        "importPath": "dotenv",
+        "description": "dotenv",
+        "detail": "dotenv",
+        "documentation": {}
+    },
     {
         "label": "admin",
         "importPath": "django.contrib",
@@ -97,11 +106,20 @@
         "documentation": {}
     },
     {
-        "label": "AppConfig",
-        "importPath": "django.apps",
-        "description": "django.apps",
+        "label": "django.db.models.deletion",
+        "kind": 6,
         "isExtraImport": true,
-        "detail": "django.apps",
+        "importPath": "django.db.models.deletion",
+        "description": "django.db.models.deletion",
+        "detail": "django.db.models.deletion",
+        "documentation": {}
+    },
+    {
+        "label": "migrations",
+        "importPath": "django.db",
+        "description": "django.db",
+        "isExtraImport": true,
+        "detail": "django.db",
         "documentation": {}
     },
     {
@@ -112,6 +130,22 @@
         "detail": "django.db",
         "documentation": {}
     },
+    {
+        "label": "models",
+        "importPath": "django.db",
+        "description": "django.db",
+        "isExtraImport": true,
+        "detail": "django.db",
+        "documentation": {}
+    },
+    {
+        "label": "AppConfig",
+        "importPath": "django.apps",
+        "description": "django.apps",
+        "isExtraImport": true,
+        "detail": "django.apps",
+        "documentation": {}
+    },
     {
         "label": "TestCase",
         "importPath": "django.test",
@@ -1634,7 +1668,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "BASE_DIR = Path(__file__).resolve().parent.parent\n# Quick-start development settings - unsuitable for production\n# See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/\n# SECURITY WARNING: keep the secret key used in production secret!\nSECRET_KEY = 'django-insecure-ruo!wst&sb8(f9)j5u4rda-w!673lj_-c0a%gx_t@)ff*q*2ze'\n# SECURITY WARNING: don't run with debug turned on in production!\nDEBUG = True\nALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [",
+        "peekOfCode": "BASE_DIR = Path(__file__).resolve().parent.parent\n# Quick-start development settings - unsuitable for production\n# See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/\n# SECURITY WARNING: keep the secret key used in production secret!\nSECRET_KEY = \"django-insecure-ruo!wst&sb8(f9)j5u4rda-w!673lj_-c0a%gx_t@)ff*q*2ze\"\n# SECURITY WARNING: don't run with debug turned on in production!\nDEBUG = True\nALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1643,7 +1677,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "SECRET_KEY = 'django-insecure-ruo!wst&sb8(f9)j5u4rda-w!673lj_-c0a%gx_t@)ff*q*2ze'\n# SECURITY WARNING: don't run with debug turned on in production!\nDEBUG = True\nALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [\n    'inventory',\n    'django.contrib.admin',\n    'django.contrib.auth',\n    'django.contrib.contenttypes',",
+        "peekOfCode": "SECRET_KEY = \"django-insecure-ruo!wst&sb8(f9)j5u4rda-w!673lj_-c0a%gx_t@)ff*q*2ze\"\n# SECURITY WARNING: don't run with debug turned on in production!\nDEBUG = True\nALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [\n    \"inventory\",\n    \"django.contrib.admin\",\n    \"django.contrib.auth\",\n    \"django.contrib.contenttypes\",",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1652,7 +1686,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "DEBUG = True\nALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [\n    'inventory',\n    'django.contrib.admin',\n    'django.contrib.auth',\n    'django.contrib.contenttypes',\n    'django.contrib.sessions',\n    'django.contrib.messages',",
+        "peekOfCode": "DEBUG = True\nALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [\n    \"inventory\",\n    \"django.contrib.admin\",\n    \"django.contrib.auth\",\n    \"django.contrib.contenttypes\",\n    \"django.contrib.sessions\",\n    \"django.contrib.messages\",",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1661,7 +1695,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "ALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [\n    'inventory',\n    'django.contrib.admin',\n    'django.contrib.auth',\n    'django.contrib.contenttypes',\n    'django.contrib.sessions',\n    'django.contrib.messages',\n    'django.contrib.staticfiles',",
+        "peekOfCode": "ALLOWED_HOSTS = []\n# Application definition\nINSTALLED_APPS = [\n    \"inventory\",\n    \"django.contrib.admin\",\n    \"django.contrib.auth\",\n    \"django.contrib.contenttypes\",\n    \"django.contrib.sessions\",\n    \"django.contrib.messages\",\n    \"django.contrib.staticfiles\",",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1670,7 +1704,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "INSTALLED_APPS = [\n    'inventory',\n    'django.contrib.admin',\n    'django.contrib.auth',\n    'django.contrib.contenttypes',\n    'django.contrib.sessions',\n    'django.contrib.messages',\n    'django.contrib.staticfiles',\n    'rest_framework',\n]",
+        "peekOfCode": "INSTALLED_APPS = [\n    \"inventory\",\n    \"django.contrib.admin\",\n    \"django.contrib.auth\",\n    \"django.contrib.contenttypes\",\n    \"django.contrib.sessions\",\n    \"django.contrib.messages\",\n    \"django.contrib.staticfiles\",\n    \"rest_framework\",\n]",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1679,7 +1713,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "MIDDLEWARE = [\n    'django.middleware.security.SecurityMiddleware',\n    'django.contrib.sessions.middleware.SessionMiddleware',\n    'django.middleware.common.CommonMiddleware',\n    'django.middleware.csrf.CsrfViewMiddleware',\n    'django.contrib.auth.middleware.AuthenticationMiddleware',\n    'django.contrib.messages.middleware.MessageMiddleware',\n    'django.middleware.clickjacking.XFrameOptionsMiddleware',\n]\nROOT_URLCONF = 'api.urls'",
+        "peekOfCode": "MIDDLEWARE = [\n    \"django.middleware.security.SecurityMiddleware\",\n    \"django.contrib.sessions.middleware.SessionMiddleware\",\n    \"django.middleware.common.CommonMiddleware\",\n    \"django.middleware.csrf.CsrfViewMiddleware\",\n    \"django.contrib.auth.middleware.AuthenticationMiddleware\",\n    \"django.contrib.messages.middleware.MessageMiddleware\",\n    \"django.middleware.clickjacking.XFrameOptionsMiddleware\",\n]\nROOT_URLCONF = \"api.urls\"",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1688,7 +1722,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "ROOT_URLCONF = 'api.urls'\nTEMPLATES = [\n    {\n        'BACKEND': 'django.template.backends.django.DjangoTemplates',\n        'DIRS': [],\n        'APP_DIRS': True,\n        'OPTIONS': {\n            'context_processors': [\n                'django.template.context_processors.debug',\n                'django.template.context_processors.request',",
+        "peekOfCode": "ROOT_URLCONF = \"api.urls\"\nTEMPLATES = [\n    {\n        \"BACKEND\": \"django.template.backends.django.DjangoTemplates\",\n        \"DIRS\": [],\n        \"APP_DIRS\": True,\n        \"OPTIONS\": {\n            \"context_processors\": [\n                \"django.template.context_processors.debug\",\n                \"django.template.context_processors.request\",",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1697,7 +1731,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "TEMPLATES = [\n    {\n        'BACKEND': 'django.template.backends.django.DjangoTemplates',\n        'DIRS': [],\n        'APP_DIRS': True,\n        'OPTIONS': {\n            'context_processors': [\n                'django.template.context_processors.debug',\n                'django.template.context_processors.request',\n                'django.contrib.auth.context_processors.auth',",
+        "peekOfCode": "TEMPLATES = [\n    {\n        \"BACKEND\": \"django.template.backends.django.DjangoTemplates\",\n        \"DIRS\": [],\n        \"APP_DIRS\": True,\n        \"OPTIONS\": {\n            \"context_processors\": [\n                \"django.template.context_processors.debug\",\n                \"django.template.context_processors.request\",\n                \"django.contrib.auth.context_processors.auth\",",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1706,7 +1740,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "WSGI_APPLICATION = 'api.wsgi.application'\n# Database\n# https://docs.djangoproject.com/en/5.0/ref/settings/#databases\nDATABASES = {\n    \"default\": {\n        \"ENGINE\": \"django.db.backends.postgresql\",\n        \"OPTIONS\": {\n            # in ~/.pg_service.conf\n            'service': 'to_inventory_db',\n            \"passfile\": \".pgpass\",",
+        "peekOfCode": "WSGI_APPLICATION = \"api.wsgi.application\"\n# Database\n# https://docs.djangoproject.com/en/5.0/ref/settings/#databases\nDATABASES = {\n    \"default\": {\n        \"ENGINE\": \"django.db.backends.postgresql\",\n        \"NAME\": os.environ.get(\"DB_NAME\"),\n        \"USER\": os.environ.get(\"DB_USER\"),\n        \"PASSWORD\": os.environ.get(\"DB_PASSWORD\"),\n        \"HOST\": os.environ.get(\"DB_HOST\"),",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1715,7 +1749,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "DATABASES = {\n    \"default\": {\n        \"ENGINE\": \"django.db.backends.postgresql\",\n        \"OPTIONS\": {\n            # in ~/.pg_service.conf\n            'service': 'to_inventory_db',\n            \"passfile\": \".pgpass\",\n        },\n    }\n}",
+        "peekOfCode": "DATABASES = {\n    \"default\": {\n        \"ENGINE\": \"django.db.backends.postgresql\",\n        \"NAME\": os.environ.get(\"DB_NAME\"),\n        \"USER\": os.environ.get(\"DB_USER\"),\n        \"PASSWORD\": os.environ.get(\"DB_PASSWORD\"),\n        \"HOST\": os.environ.get(\"DB_HOST\"),\n        \"PORT\": os.environ.get(\"DB_PORT\"),\n    }\n}",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1724,7 +1758,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "AUTH_PASSWORD_VALIDATORS = [\n    {\n        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',\n    },\n    {\n        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',\n    },\n    {\n        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',\n    },",
+        "peekOfCode": "AUTH_PASSWORD_VALIDATORS = [\n    {\n        \"NAME\": \"django.contrib.auth.password_validation.UserAttributeSimilarityValidator\",\n    },\n    {\n        \"NAME\": \"django.contrib.auth.password_validation.MinimumLengthValidator\",\n    },\n    {\n        \"NAME\": \"django.contrib.auth.password_validation.CommonPasswordValidator\",\n    },",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1733,7 +1767,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "LANGUAGE_CODE = 'en-us'\nTIME_ZONE = 'UTC'\nUSE_I18N = True\nUSE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = 'static/'\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'",
+        "peekOfCode": "LANGUAGE_CODE = \"en-us\"\nTIME_ZONE = \"UTC\"\nUSE_I18N = True\nUSE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = \"static/\"\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = \"django.db.models.BigAutoField\"",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1742,7 +1776,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "TIME_ZONE = 'UTC'\nUSE_I18N = True\nUSE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = 'static/'\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'",
+        "peekOfCode": "TIME_ZONE = \"UTC\"\nUSE_I18N = True\nUSE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = \"static/\"\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = \"django.db.models.BigAutoField\"",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1751,7 +1785,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "USE_I18N = True\nUSE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = 'static/'\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'",
+        "peekOfCode": "USE_I18N = True\nUSE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = \"static/\"\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = \"django.db.models.BigAutoField\"",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1760,7 +1794,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "USE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = 'static/'\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'",
+        "peekOfCode": "USE_TZ = True\n# Static files (CSS, JavaScript, Images)\n# https://docs.djangoproject.com/en/5.0/howto/static-files/\nSTATIC_URL = \"static/\"\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = \"django.db.models.BigAutoField\"",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1769,7 +1803,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "STATIC_URL = 'static/'\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'",
+        "peekOfCode": "STATIC_URL = \"static/\"\n# Default primary key field type\n# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field\nDEFAULT_AUTO_FIELD = \"django.db.models.BigAutoField\"",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1778,7 +1812,7 @@
         "kind": 5,
         "importPath": "back.api.settings",
         "description": "back.api.settings",
-        "peekOfCode": "DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'",
+        "peekOfCode": "DEFAULT_AUTO_FIELD = \"django.db.models.BigAutoField\"",
         "detail": "back.api.settings",
         "documentation": {}
     },
@@ -1809,6 +1843,15 @@
         "detail": "back.api.wsgi",
         "documentation": {}
     },
+    {
+        "label": "Migration",
+        "kind": 6,
+        "importPath": "back.inventory.migrations.0001_initial",
+        "description": "back.inventory.migrations.0001_initial",
+        "peekOfCode": "class Migration(migrations.Migration):\n    initial = True\n    dependencies = [\n    ]\n    operations = [\n        migrations.CreateModel(\n            name='Partner',\n            fields=[\n                ('id', models.AutoField(primary_key=True, serialize=False)),\n            ],",
+        "detail": "back.inventory.migrations.0001_initial",
+        "documentation": {}
+    },
     {
         "label": "InventoryConfig",
         "kind": 6,
@@ -1841,7 +1884,16 @@
         "kind": 6,
         "importPath": "back.inventory.serializers",
         "description": "back.inventory.serializers",
-        "peekOfCode": "class PartnerSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = Partner\n        fields = [\"id\"]",
+        "peekOfCode": "class PartnerSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = Partner\n        fields = [\"id\"]\nclass ElementSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = Element\n        fields = [\"id\", \"external_id\", \"type\", \"photo\", \"additional_text\", \"partner\"]",
+        "detail": "back.inventory.serializers",
+        "documentation": {}
+    },
+    {
+        "label": "ElementSerializer",
+        "kind": 6,
+        "importPath": "back.inventory.serializers",
+        "description": "back.inventory.serializers",
+        "peekOfCode": "class ElementSerializer(serializers.ModelSerializer):\n    class Meta:\n        model = Element\n        fields = [\"id\", \"external_id\", \"type\", \"photo\", \"additional_text\", \"partner\"]",
         "detail": "back.inventory.serializers",
         "documentation": {}
     },
diff --git a/back/.gitignore b/back/.gitignore
index 78c7392..32d169c 100644
--- a/back/.gitignore
+++ b/back/.gitignore
@@ -88,4 +88,5 @@ local_settings.py
 .env
 db.sqlite3
 
-.pgpass
\ No newline at end of file
+.pgpass
+/*/migrations/0*
\ No newline at end of file
diff --git a/back/api/settings.py b/back/api/settings.py
index f97c32c..d783d07 100644
--- a/back/api/settings.py
+++ b/back/api/settings.py
@@ -11,7 +11,10 @@ https://docs.djangoproject.com/en/5.0/ref/settings/
 """
 
 from pathlib import Path
+import os
+import dotenv
 
+dotenv.load_dotenv(os.path.join(os.path.dirname(os.path.dirname(__file__)), '.env'))
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
@@ -20,7 +23,7 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 # See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'django-insecure-ruo!wst&sb8(f9)j5u4rda-w!673lj_-c0a%gx_t@)ff*q*2ze'
+SECRET_KEY = "django-insecure-ruo!wst&sb8(f9)j5u4rda-w!673lj_-c0a%gx_t@)ff*q*2ze"
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
@@ -31,45 +34,45 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
-    'inventory',
-    'django.contrib.admin',
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'rest_framework',
+    "inventory",
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "rest_framework",
 ]
 
 MIDDLEWARE = [
-    'django.middleware.security.SecurityMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
 ]
 
-ROOT_URLCONF = 'api.urls'
+ROOT_URLCONF = "api.urls"
 
 TEMPLATES = [
     {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [],
-        'APP_DIRS': True,
-        'OPTIONS': {
-            'context_processors': [
-                'django.template.context_processors.debug',
-                'django.template.context_processors.request',
-                'django.contrib.auth.context_processors.auth',
-                'django.contrib.messages.context_processors.messages',
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
             ],
         },
     },
 ]
 
-WSGI_APPLICATION = 'api.wsgi.application'
+WSGI_APPLICATION = "api.wsgi.application"
 
 
 # Database
@@ -78,11 +81,11 @@ WSGI_APPLICATION = 'api.wsgi.application'
 DATABASES = {
     "default": {
         "ENGINE": "django.db.backends.postgresql",
-        "OPTIONS": {
-            # in ~/.pg_service.conf
-            'service': 'to_inventory_db',
-            "passfile": ".pgpass",
-        },
+        "NAME": os.environ.get("DB_NAME"),
+        "USER": os.environ.get("DB_USER"),
+        "PASSWORD": os.environ.get("DB_PASSWORD"),
+        "HOST": os.environ.get("DB_HOST"),
+        "PORT": os.environ.get("DB_PORT"),
     }
 }
 
@@ -92,16 +95,16 @@ DATABASES = {
 
 AUTH_PASSWORD_VALIDATORS = [
     {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
     },
     {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
     },
 ]
 
@@ -109,9 +112,9 @@ AUTH_PASSWORD_VALIDATORS = [
 # Internationalization
 # https://docs.djangoproject.com/en/5.0/topics/i18n/
 
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = "en-us"
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = "UTC"
 
 USE_I18N = True
 
@@ -121,9 +124,9 @@ USE_TZ = True
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/5.0/howto/static-files/
 
-STATIC_URL = 'static/'
+STATIC_URL = "static/"
 
 # Default primary key field type
 # https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field
 
-DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
diff --git a/back/inventory/serializers.py b/back/inventory/serializers.py
index 815f56f..bed8098 100644
--- a/back/inventory/serializers.py
+++ b/back/inventory/serializers.py
@@ -1,8 +1,13 @@
 from rest_framework import serializers
-from .models import Partner
+from .models import Partner, Element
 
 
 class PartnerSerializer(serializers.ModelSerializer):
     class Meta:
         model = Partner
         fields = ["id"]
+
+class ElementSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Element
+        fields = ["id", "external_id", "type", "photo", "additional_text", "partner"]
diff --git a/poetry.lock b/poetry.lock
index fe510fd..37aa4cd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -238,6 +238,20 @@ files = [
     {file = "psycopg2-2.9.9.tar.gz", hash = "sha256:d1454bde93fb1e224166811694d600e746430c006fbb031ea06ecc2ea41bf156"},
 ]
 
+[[package]]
+name = "python-dotenv"
+version = "1.0.1"
+description = "Read key-value pairs from a .env file and set them as environment variables"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "python-dotenv-1.0.1.tar.gz", hash = "sha256:e324ee90a023d808f1959c46bcbc04446a10ced277783dc6ee09987c37ec10ca"},
+    {file = "python_dotenv-1.0.1-py3-none-any.whl", hash = "sha256:f7b63ef50f1b690dddf550d03497b66d609393b40b564ed0d674909a68ebf16a"},
+]
+
+[package.extras]
+cli = ["click (>=5.0)"]
+
 [[package]]
 name = "sqlparse"
 version = "0.5.0"
@@ -306,4 +320,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "56611ac7f25ac6f0383c0835afb3c695fedd9adf27499fe97ebee3c245c35d06"
+content-hash = "c6bf0723d9f799bdbe4174c98f18b7177aae7054fd556c58905dc3b55ef98c99"
diff --git a/pyproject.toml b/pyproject.toml
index be6d1de..10dafe7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,7 @@ psycopg2 = "^2.9.9"
 markdown = "^3.6"
 django-filter = "^24.2"
 pillow = "^10.3.0"
+python-dotenv = "^1.0.1"
 
 [tool.poetry.group.dev.dependencies]
 taskipy = "^1.12.2"