diff --git a/app/models/attachment.rb b/app/models/attachment.rb
index 2dbce28730ef..91e20598b22d 100644
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -26,7 +26,7 @@
 # See COPYRIGHT and LICENSE files for more details.
 #++
 
-require 'digest/md5'
+require "digest/md5"
 
 class Attachment < ApplicationRecord
   enum status: {
@@ -38,7 +38,7 @@ class Attachment < ApplicationRecord
   }.freeze, _prefix: true
 
   belongs_to :container, polymorphic: true
-  belongs_to :author, class_name: 'User'
+  belongs_to :author, class_name: "User"
 
   validates :author, :content_type, :filesize, :status, presence: true
   validates :description, length: { maximum: 255 }
@@ -65,7 +65,7 @@ class Attachment < ApplicationRecord
   acts_as_journalized
   acts_as_event title: -> { file.name },
                 url: (Proc.new do |o|
-                  { controller: '/attachments', action: 'download', id: o.id, filename: o.filename }
+                  { controller: "/attachments", action: "download", id: o.id, filename: o.filename }
                 end)
 
   mount_uploader :file, OpenProject::Configuration.file_uploader
@@ -108,7 +108,7 @@ def project
   end
 
   def content_disposition(include_filename: true)
-    disposition = inlineable? ? 'inline' : 'attachment'
+    disposition = inlineable? ? "inline" : "attachment"
 
     if include_filename
       "#{disposition}; filename=#{filename}"
@@ -159,7 +159,7 @@ def is_movie?
   alias :image? :is_image?
 
   def is_pdf?
-    content_type == 'application/pdf'
+    content_type == "application/pdf"
   end
 
   def is_text?
@@ -193,7 +193,7 @@ def local_path
   end
 
   def filename
-    attributes['file'] || super
+    attributes["file"] || super
   end
 
   ##
diff --git a/docker/dev/object_storage/docker-compose.yml b/docker/dev/object_storage/docker-compose.yml
new file mode 100644
index 000000000000..e48cf5ca5a68
--- /dev/null
+++ b/docker/dev/object_storage/docker-compose.yml
@@ -0,0 +1,32 @@
+version: "3.9"
+
+services:
+  minio:
+    restart: always
+    image: minio/minio:latest
+    volumes:
+      - minio:/data
+    entrypoint: minio server /data
+    networks:
+      - external
+    ports:
+      - "9000:9000"
+    environment:
+      - MINIO_ROOT_USER=openproject
+      - MINIO_ROOT_PASSWORD=openproject
+      - MINIO_DEFAULT_BUCKETS=application
+    extra_hosts:
+      - "openproject.local:host-gateway"
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.minio.rule=Host(`minio.local`)"
+      - "traefik.http.routers.minio.entrypoints=websecure"
+      - "traefik.http.services.minio.loadbalancer.server.port=80"
+
+volumes:
+  minio:
+
+networks:
+  external:
+    name: gateway
+    external: true
diff --git a/docker/dev/tls/docker-compose.override.example.yml b/docker/dev/tls/docker-compose.override.example.yml
index 5fb18ee2c47c..726573ff93a4 100644
--- a/docker/dev/tls/docker-compose.override.example.yml
+++ b/docker/dev/tls/docker-compose.override.example.yml
@@ -10,3 +10,4 @@ services:
           - openproject.local
           - nextcloud.local
           - gitlab.local
+          - minio.local
diff --git a/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb b/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb
index 6c64972e7752..a9c3718d0565 100644
--- a/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb
+++ b/modules/bim/app/controllers/bim/ifc_models/ifc_models_controller.rb
@@ -65,6 +65,12 @@ def defaults
       end
 
       def set_direct_upload_file_name
+        if params[:filesize].to_i > Setting.attachment_max_size.to_i.kilobytes
+          render json: { error: I18n.t("activerecord.errors.messages.file_too_large", count: Setting.attachment_max_size) },
+                 status: :unprocessable_entity
+          return
+        end
+
         session[:pending_ifc_model_title] = params[:title]
         session[:pending_ifc_model_is_default] = params[:isDefault]
       end
diff --git a/modules/bim/app/views/bim/ifc_models/ifc_models/_form.html.erb b/modules/bim/app/views/bim/ifc_models/ifc_models/_form.html.erb
index 62d8e3464db2..de1608b687c0 100644
--- a/modules/bim/app/views/bim/ifc_models/ifc_models/_form.html.erb
+++ b/modules/bim/app/views/bim/ifc_models/ifc_models/_form.html.erb
@@ -62,6 +62,10 @@ See COPYRIGHT and LICENSE files for more details.
         fileName = fileNameField[0].files[0].name;
       }
 
+      <%# Reset the form validity %>
+      <%# See: https://developer.mozilla.org/en-US/docs/Web/API/HTMLObjectElement/setCustomValidity %>
+      fileNameField[0].setCustomValidity('');
+
       var titleField = jQuery("#bim_ifc_models_ifc_model_title");
 
       <%# When creating a new model, there is no titleField. %>
@@ -86,12 +90,20 @@ See COPYRIGHT and LICENSE files for more details.
         },
         data: {
           title: title,
-          isDefault: jQuery("#bim_ifc_models_ifc_model_is_default").is(":checked") ? 1 : 0
+          isDefault: jQuery("#bim_ifc_models_ifc_model_is_default").is(":checked") ? 1 : 0,
+          filesize: fileNameField[0].files[0].size
         },
         statusCode: {
           401: function(resp, status, error) {
             document.location.reload(); // reload to make user login again
           }
+        },
+        error: function(jqXHR, ajaxOptions, errorThrown) {
+          if (jqXHR.status == 422) {
+            var errorMessage = jqXHR.responseJSON.error;
+            fileNameField[0].setCustomValidity(errorMessage);
+            fileNameField[0].reportValidity();
+          }
         }
       });
     };
@@ -132,7 +144,11 @@ See COPYRIGHT and LICENSE files for more details.
         if (submitted) { return };
 
         e.preventDefault();
-        setDirectUploadFileName().always(() => form.submit());
+        setDirectUploadFileName()
+          .done(() => form.submit())
+          .fail((jqXHR, textStatus, errorThrown) => {
+            alert("Error: " + errorThrown);
+          });
         submitted = true;
       });
     <% end %>