diff --git a/files_storage/migrations/0005_minioconfiguration_public_read_write_prefix_and_more.py b/files_storage/migrations/0005_minioconfiguration_public_read_write_prefix_and_more.py
new file mode 100644
index 000000000..69be79c94
--- /dev/null
+++ b/files_storage/migrations/0005_minioconfiguration_public_read_write_prefix_and_more.py
@@ -0,0 +1,37 @@
+# Generated by Codex on 2026-06-19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("files_storage", "0004_remove_minioconfiguration_bucket_app_subdir_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="minioconfiguration",
+            name="public_base_url",
+            field=models.URLField(
+                blank=True,
+                max_length=500,
+                null=True,
+                verbose_name="Public base URL",
+            ),
+        ),
+        migrations.AddField(
+            model_name="minioconfiguration",
+            name="write_prefix",
+            field=models.CharField(
+                blank=True,
+                max_length=128,
+                null=True,
+                verbose_name="Write prefix",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="filelocation",
+            name="uri",
+            field=models.URLField(blank=True, max_length=500, null=True, verbose_name="URI"),
+        ),
+    ]
diff --git a/files_storage/minio.py b/files_storage/minio.py
index 0cd8139ed..e30f59cc8 100644
--- a/files_storage/minio.py
+++ b/files_storage/minio.py
@@ -3,8 +3,10 @@
 import json
 import logging
 import os
+import posixpath
 from mimetypes import types_map
 from tempfile import NamedTemporaryFile, TemporaryDirectory
+from urllib.parse import urljoin
 
 from minio import Minio
 from minio.error import S3Error
@@ -69,9 +71,12 @@ def __init__(
         minio_access_key,
         minio_secret_key,
         bucket_root,
-        location,
+        location=None,
         minio_secure=True,
         minio_http_client=None,
+        write_prefix="",
+        public_base_url="",
+        bucket_subdir=None,
     ):
         self.bucket_root = bucket_root
         self.POLICY_READ_ONLY = {
@@ -97,7 +102,22 @@ def __init__(
         self.minio_secure = minio_secure
         self.http_client = minio_http_client
         self._client_instance = None
-        self.location = location
+        self.location = location or bucket_subdir
+        self.write_prefix = self._normalize_path(write_prefix)
+        self.public_base_url = (public_base_url or "").strip()
+
+    def _normalize_path(self, path):
+        return (path or "").strip("/")
+
+    def _object_name_for_storage(self, object_name):
+        object_name = self._normalize_path(object_name)
+        if not self.write_prefix:
+            return object_name
+        return posixpath.join(self.write_prefix, object_name)
+
+    def _public_uri(self, object_name):
+        object_name = self._normalize_path(object_name)
+        return urljoin(f"{self.public_base_url.rstrip('/')}/", object_name)
 
     @property
     def _client(self):
@@ -173,7 +193,12 @@ def get_uri(self, object_name: str) -> str:
         MinioStorageGetUriError
         """
         try:
-            url = self._client.presigned_get_object(self.bucket_root, object_name)
+            if self.public_base_url:
+                return self._public_uri(object_name)
+
+            url = self._client.presigned_get_object(
+                self.bucket_root, self._object_name_for_storage(object_name)
+            )
             return url.split("?")[0]
         except Exception as e:
             raise MinioStorageGetUriError(
@@ -257,10 +282,11 @@ def _fput_object(self, file_path, object_name, mimetype) -> str:
         ------
         MinioStorageNoSuchBucketError
         """
+        storage_object_name = self._object_name_for_storage(object_name)
         try:
             self._client.fput_object(
                 self.bucket_root,
-                object_name=object_name,
+                object_name=storage_object_name,
                 file_path=file_path,
                 content_type=mimetype,
             )
diff --git a/files_storage/models.py b/files_storage/models.py
index d1edda553..d09091c5e 100644
--- a/files_storage/models.py
+++ b/files_storage/models.py
@@ -38,6 +38,12 @@ class MinioConfiguration(CommonControlField):
     bucket_root = models.CharField(
         _("Bucket root"), max_length=32, null=True, blank=True
     )
+    write_prefix = models.CharField(
+        _("Write prefix"), max_length=128, null=True, blank=True
+    )
+    public_base_url = models.URLField(
+        _("Public base URL"), max_length=500, null=True, blank=True
+    )
     location = models.CharField(
         _("Location"),
         max_length=16,
@@ -62,6 +68,8 @@ class Meta:
         FieldPanel("name"),
         FieldPanel("host"),
         FieldPanel("bucket_root"),
+        FieldPanel("write_prefix"),
+        FieldPanel("public_base_url"),
         # FieldPanel("location"),
         FieldPanel("access_key"),
         FieldPanel("secret_key"),
@@ -85,6 +93,8 @@ def get_or_create(
         secret_key=None,
         secure=None,
         bucket_root=None,
+        write_prefix=None,
+        public_base_url=None,
         location=None,
         user=None,
     ):
@@ -98,6 +108,8 @@ def get_or_create(
             files_storage.access_key = access_key
             files_storage.secret_key = secret_key
             files_storage.bucket_root = bucket_root
+            files_storage.write_prefix = write_prefix
+            files_storage.public_base_url = public_base_url
             files_storage.location = location
             files_storage.creator = user
             files_storage.save()
@@ -125,12 +137,14 @@ def get_files_storage(cls, name, minio_http_client=None):
             location=obj.location,
             minio_secure=obj.secure,
             minio_http_client=minio_http_client,
+            write_prefix=obj.write_prefix,
+            public_base_url=obj.public_base_url,
         )
 
 
 class FileLocation(CommonControlField):
     basename = models.CharField(_("Basename"), max_length=100, null=True, blank=True)
-    uri = models.URLField(_("URI"), null=True, blank=True, max_length=200)
+    uri = models.URLField(_("URI"), null=True, blank=True, max_length=500)
 
     autocomplete_search_field = "uri"
 
diff --git a/files_storage/test_minio.py b/files_storage/test_minio.py
index ae603d810..08a63901a 100644
--- a/files_storage/test_minio.py
+++ b/files_storage/test_minio.py
@@ -1,6 +1,6 @@
 # Create your tests here.
 import json
-from unittest.mock import Mock, patch
+from unittest.mock import ANY, patch
 
 from django.test import TestCase
 from minio.error import S3Error
@@ -90,6 +90,21 @@ def test_get_uri(self, mock_presigned_get_object):
             "app_name",
         )
 
+    def test_get_uri_with_public_base_url(self):
+        minio_storage = MinioStorage(
+            minio_host="s3.wasabisys.com",
+            minio_access_key="minio_access_key",
+            minio_secret_key="minio_secret_key",
+            bucket_root="scielo",
+            location="sa-east-1",
+            write_prefix="upload",
+            public_base_url="https://minio.scielo.br/upload",
+        )
+
+        uri = minio_storage.get_uri("journal/article.xml")
+
+        self.assertEqual("https://minio.scielo.br/upload/journal/article.xml", uri)
+
     @patch("files_storage.minio.MinioStorage.fput")
     def test_register(self, mock_fput):
         metadata = self.minio_storage.register(
@@ -120,6 +135,35 @@ def test__fput_object(self, mock_client_fput_object, mock_get_uri):
             "subdir1/subdir2/filename.xml",
         )
 
+    @patch("files_storage.minio.MinioStorage.get_uri")
+    @patch("files_storage.minio.Minio.fput_object")
+    def test__fput_object_uses_write_prefix(self, mock_client_fput_object, mock_get_uri):
+        minio_storage = MinioStorage(
+            minio_host="s3.wasabisys.com",
+            minio_access_key="minio_access_key",
+            minio_secret_key="minio_secret_key",
+            bucket_root="scielo",
+            location="sa-east-1",
+            write_prefix="upload",
+            public_base_url="https://minio.scielo.br/upload",
+        )
+
+        minio_storage._fput_object(
+            "/root/folder1/folder2/filename.xml",
+            "subdir1/subdir2/filename.xml",
+            mimetype="mimetype_informado",
+        )
+
+        mock_client_fput_object.assert_called_with(
+            "scielo",
+            object_name="upload/subdir1/subdir2/filename.xml",
+            file_path="/root/folder1/folder2/filename.xml",
+            content_type="mimetype_informado",
+        )
+        mock_get_uri.assert_called_with(
+            "subdir1/subdir2/filename.xml",
+        )
+
     @patch("files_storage.minio.MinioStorage.get_uri")
     @patch("files_storage.minio.Minio.fput_object")
     def test__fput_object_raises_exception(
@@ -212,25 +256,23 @@ def test_remove(self, mock_remove):
     def test_fput_content(self, mock_fput_object):
         mock_fput_object.return_value = "uri"
         uri = self.minio_storage.fput_content(
-            content="<article/>",
+            content=b"<article/>",
             mimetype="text/xml",
             object_name="object_name",
         )
         self.assertEqual("uri", uri)
 
-    @patch("files_storage.minio.MinioStorage._create_tmp_file")
     @patch("files_storage.minio.MinioStorage._fput_object")
     def test_fput_content_calls_fput_object(
-        self, mock_fput_object, mock_create_tmp_file
+        self, mock_fput_object
     ):
-        mock_create_tmp_file.return_value = "/tmp/file.xml"
         uri = self.minio_storage.fput_content(
-            content="<article/>",
+            content=b"<article/>",
             mimetype="text/xml",
             object_name="object_name",
         )
         mock_fput_object.assert_called_with(
-            file_path="/tmp/file.xml",
+            file_path=ANY,
             object_name="object_name",
             mimetype="text/xml",
         )
diff --git a/files_storage/wagtail_hooks.py b/files_storage/wagtail_hooks.py
index bfd68bd44..38209df8c 100644
--- a/files_storage/wagtail_hooks.py
+++ b/files_storage/wagtail_hooks.py
@@ -18,10 +18,13 @@ class MinioConfigurationViewSet(CommonControlFieldViewSet):
         "name",
         "host",
         "bucket_root",
+        "write_prefix",
+        "public_base_url",
     )
     search_fields = (
         "name",
         "host",
         "bucket_root",
+        "write_prefix",
+        "public_base_url",
     )
-