diff --git a/examples/Dockerfile b/examples/Dockerfile
new file mode 100644
index 0000000..8d97650
--- /dev/null
+++ b/examples/Dockerfile
@@ -0,0 +1,9 @@
+FROM python:3
+RUN mkdir -p /src
+WORKDIR /src
+COPY ../pyproject.toml ../poetry.lock /src/
+RUN pip3 install poetry
+ENV POETRY_VIRTUALENVS_CREATE false
+RUN poetry install --no-root
+COPY . /src
+
diff --git a/examples/docker-compose.yml b/examples/docker-compose.yml
new file mode 100644
index 0000000..e69de29
diff --git a/fastapi_admin/factory.py b/fastapi_admin/factory.py
index d4ccbee..56746ca 100644
--- a/fastapi_admin/factory.py
+++ b/fastapi_admin/factory.py
@@ -273,6 +273,8 @@ class AdminApp(FastAPI):
                 disabled=readonly,
                 description=data_field.get("description"),
             )
+            if field_type == "DecimalField" or field_type == "FloatField":
+                field.step = "any"
             field = field.copy(update=menu.attrs.get(name) or {})
             fields[name] = field
             if name in search_fields:
diff --git a/fastapi_admin/site.py b/fastapi_admin/site.py
index fdf8d66..9b1d149 100644
--- a/fastapi_admin/site.py
+++ b/fastapi_admin/site.py
@@ -68,7 +68,7 @@ class Field(BaseModel):
     ref: Optional[str]
     description: Optional[str]
     disabled: Optional[bool] = False
-    step: str = 'any'
+    step: str = "any"
 
 
 class Resource(BaseModel):