diff --git a/Dockerfile.ui b/Dockerfile.ui
index c5939296849..a1010edfc78 100644
--- a/Dockerfile.ui
+++ b/Dockerfile.ui
@@ -4,6 +4,9 @@ ARG http_proxy
 ARG https_proxy
 ARG no_proxy
 ARG socks_proxy
+ARG REACT_APP_API_PORT
+ARG REACT_APP_API_PROTOCOL
+ARG REACT_APP_API_HOST
 
 ENV TERM=xterm \
     http_proxy=${http_proxy}   \
@@ -36,7 +39,7 @@ RUN npm install
 # Build source code
 COPY cvat-core/ /tmp/cvat-core/
 COPY cvat-ui/ /tmp/cvat-ui/
-RUN mv .env.production .env && npm run build
+RUN npm run build
 
 FROM nginx
 # Replace default.conf configuration to remove unnecessary rules
diff --git a/cvat-ui/.env b/cvat-ui/.env
deleted file mode 100644
index ac71a091100..00000000000
--- a/cvat-ui/.env
+++ /dev/null
@@ -1,9 +0,0 @@
-REACT_APP_VERSION=${npm_package_version}
-
-REACT_APP_API_PROTOCOL=http
-REACT_APP_API_HOST=localhost
-REACT_APP_API_PORT=7000
-REACT_APP_API_HOST_URL=${REACT_APP_API_PROTOCOL}://${REACT_APP_API_HOST}:${REACT_APP_API_PORT}
-REACT_APP_API_FULL_URL=${REACT_APP_API_PROTOCOL}://${REACT_APP_API_HOST}:${REACT_APP_API_PORT}/api/v1
-
-SKIP_PREFLIGHT_CHECK=true
diff --git a/cvat-ui/.env.production b/cvat-ui/.env.production
deleted file mode 100644
index d5af5e40249..00000000000
--- a/cvat-ui/.env.production
+++ /dev/null
@@ -1,9 +0,0 @@
-REACT_APP_VERSION=${npm_package_version}
-
-REACT_APP_API_PROTOCOL=http
-REACT_APP_API_HOST=localhost
-REACT_APP_API_PORT=8080
-REACT_APP_API_HOST_URL=${REACT_APP_API_PROTOCOL}://${REACT_APP_API_HOST}:${REACT_APP_API_PORT}
-REACT_APP_API_FULL_URL=${REACT_APP_API_PROTOCOL}://${REACT_APP_API_HOST}:${REACT_APP_API_PORT}/api/v1
-
-SKIP_PREFLIGHT_CHECK=true
diff --git a/cvat-ui/src/actions/auth-actions.ts b/cvat-ui/src/actions/auth-actions.ts
index 0d2a26fa7d4..a8b9748f03b 100644
--- a/cvat-ui/src/actions/auth-actions.ts
+++ b/cvat-ui/src/actions/auth-actions.ts
@@ -8,10 +8,13 @@ const cvat = getCore();
 export enum AuthActionTypes {
     AUTHORIZED_SUCCESS = 'AUTHORIZED_SUCCESS',
     AUTHORIZED_FAILED = 'AUTHORIZED_FAILED',
+    LOGIN = 'LOGIN',
     LOGIN_SUCCESS = 'LOGIN_SUCCESS',
     LOGIN_FAILED = 'LOGIN_FAILED',
+    REGISTER = 'REGISTER',
     REGISTER_SUCCESS = 'REGISTER_SUCCESS',
     REGISTER_FAILED = 'REGISTER_FAILED',
+    LOGOUT = 'LOGOUT',
     LOGOUT_SUCCESS = 'LOGOUT_SUCCESS',
     LOGOUT_FAILED = 'LOGOUT_FAILED',
 }
@@ -95,6 +98,11 @@ export function registerAsync(
     password2: string,
 ): ThunkAction<Promise<void>, {}, {}, AnyAction> {
     return async (dispatch: ActionCreator<Dispatch>): Promise<void> => {
+        dispatch({
+            type: AuthActionTypes.REGISTER,
+            payload: {},
+        });
+
         let users = null;
         try {
             await cvat.server.register(username, firstName, lastName,
@@ -112,6 +120,11 @@ export function registerAsync(
 export function loginAsync(username: string, password: string):
 ThunkAction<Promise<void>, {}, {}, AnyAction> {
     return async (dispatch: ActionCreator<Dispatch>): Promise<void> => {
+        dispatch({
+            type: AuthActionTypes.LOGIN,
+            payload: {},
+        });
+
         let users = null;
         try {
             await cvat.server.login(username, password);
@@ -127,6 +140,11 @@ ThunkAction<Promise<void>, {}, {}, AnyAction> {
 
 export function logoutAsync(): ThunkAction<Promise<void>, {}, {}, AnyAction> {
     return async (dispatch: ActionCreator<Dispatch>): Promise<void> => {
+        dispatch({
+            type: AuthActionTypes.LOGOUT,
+            payload: {},
+        });
+
         try {
             await cvat.server.logout();
         } catch (error) {
diff --git a/cvat-ui/src/actions/models-actions.ts b/cvat-ui/src/actions/models-actions.ts
index c2745195f42..da51548b877 100644
--- a/cvat-ui/src/actions/models-actions.ts
+++ b/cvat-ui/src/actions/models-actions.ts
@@ -24,6 +24,7 @@ export enum ModelsActionTypes {
     INFER_MODEL = 'INFER_MODEL',
     INFER_MODEL_SUCCESS = 'INFER_MODEL_SUCCESS',
     INFER_MODEL_FAILED = 'INFER_MODEL_FAILED',
+    FETCH_META_FAILED = 'FETCH_META_FAILED',
     GET_INFERENCE_STATUS = 'GET_INFERENCE_STATUS',
     GET_INFERENCE_STATUS_SUCCESS = 'GET_INFERENCE_STATUS_SUCCESS',
     GET_INFERENCE_STATUS_FAILED = 'GET_INFERENCE_STATUS_FAILED',
@@ -329,6 +330,16 @@ ThunkAction<Promise<void>, {}, {}, AnyAction> {
     };
 }
 
+function fetchMetaFailed(error: any): AnyAction {
+    const action = {
+        type: ModelsActionTypes.FETCH_META_FAILED,
+        payload: {
+            error,
+        },
+    };
+
+    return action;
+}
 
 function getInferenceStatusSuccess(
     taskID: number,
@@ -419,7 +430,9 @@ async function timeoutCallback(
 
         dispatch(getInferenceStatusSuccess(taskID, activeInference));
     } catch (error) {
-        dispatch(getInferenceStatusFailed(taskID, error));
+        dispatch(getInferenceStatusFailed(taskID, new Error(
+            `Server request for the task ${taskID} was failed`
+        )));
     }
 }
 
@@ -514,9 +527,7 @@ ThunkAction<Promise<void>, {}, {}, AnyAction> {
                     });
             }
         } catch (error) {
-            tasks.forEach((task: number): void => {
-                dispatch(getInferenceStatusFailed(task, error));
-            });
+            dispatch(fetchMetaFailed(error));
         }
     };
 }
diff --git a/cvat-ui/src/components/cvat-app.tsx b/cvat-ui/src/components/cvat-app.tsx
index ba9c40d7c49..0639dd7101a 100644
--- a/cvat-ui/src/components/cvat-app.tsx
+++ b/cvat-ui/src/components/cvat-app.tsx
@@ -100,7 +100,8 @@ export default class CVATApplication extends React.PureComponent<CVATAppProps> {
             || !!tasks.fetching || !!tasks.updating || !!tasks.dumping || !!tasks.loading
             || !!tasks.exporting || !!tasks.deleting || !!tasks.creating || !!formats.fetching
             || !!users.fetching || !!share.fetching || !!models.creating || !!models.starting
-            || !!models.fetching || !!models.deleting || !!models.inferenceStatusFetching;
+            || !!models.fetching || !!models.deleting || !!models.inferenceStatusFetching
+            || !!models.metaFetching;
 
         if (auth.authorized) {
             showError('Could not check authorization on the server', auth.authorized);
@@ -156,6 +157,9 @@ export default class CVATApplication extends React.PureComponent<CVATAppProps> {
         if (models.deleting) {
             showError('Could not delete model from the server', models.deleting);
         }
+        if (models.metaFetching) {
+            showError('Could not fetch models meta information from the server', models.metaFetching);
+        }
         if (models.inferenceStatusFetching) {
             showError('Could not fetch inference status from the server', models.inferenceStatusFetching);
         }
diff --git a/cvat-ui/src/components/header/header.tsx b/cvat-ui/src/components/header/header.tsx
index 0efeb86b117..451d93fd933 100644
--- a/cvat-ui/src/components/header/header.tsx
+++ b/cvat-ui/src/components/header/header.tsx
@@ -18,6 +18,7 @@ const core = getCore();
 
 interface HeaderContainerProps {
     onLogout: () => void;
+    logoutFetching: boolean;
     installedAnalytics: boolean;
     installedAutoAnnotation: boolean;
     installedTFAnnotation: boolean;
@@ -81,7 +82,13 @@ function HeaderContainer(props: Props) {
                             </span>
                         </span>
                     }>
-                        <Menu.Item onClick={props.onLogout}>Logout</Menu.Item>
+                        <Menu.Item
+                            onClick={props.onLogout}
+                            disabled={props.logoutFetching}
+                            className='cvat-header-button'
+                        >
+                            {props.logoutFetching && <Icon type='loading'/>} Logout
+                        </Menu.Item>
                     </Menu.SubMenu>
                 </Menu>
             </div>
diff --git a/cvat-ui/src/components/login-page/login-form.tsx b/cvat-ui/src/components/login-page/login-form.tsx
index 1a0733baba1..b3536797b94 100644
--- a/cvat-ui/src/components/login-page/login-form.tsx
+++ b/cvat-ui/src/components/login-page/login-form.tsx
@@ -13,6 +13,7 @@ export interface LoginData {
 }
 
 type LoginFormProps = {
+    fetching: boolean;
     onSubmit(loginData: LoginData): void;
 } & FormComponentProps;
 
@@ -80,7 +81,13 @@ class LoginFormComponent extends React.PureComponent<LoginFormProps> {
                 {this.renderPasswordField()}
 
                 <Form.Item>
-                    <Button type='primary' htmlType='submit' className='login-form-button'>
+                    <Button
+                        type='primary'
+                        loading={this.props.fetching}
+                        disabled={this.props.fetching}
+                        htmlType='submit'
+                        className='login-form-button'
+                    >
                         Sign in
                     </Button>
                 </Form.Item>
diff --git a/cvat-ui/src/components/login-page/login-page.tsx b/cvat-ui/src/components/login-page/login-page.tsx
index fb2befa0b2b..90113b463bf 100644
--- a/cvat-ui/src/components/login-page/login-page.tsx
+++ b/cvat-ui/src/components/login-page/login-page.tsx
@@ -13,6 +13,7 @@ import {
 import LoginForm, { LoginData } from './login-form';
 
 interface LoginPageComponentProps {
+    fetching: boolean;
     onLogin: (username: string, password: string) => void;
 }
 
@@ -29,7 +30,7 @@ function LoginPageComponent(props: LoginPageComponentProps & RouteComponentProps
         <Row type='flex' justify='center' align='middle'>
             <Col {...sizes}>
                 <Title level={2}> Login </Title>
-                <LoginForm onSubmit={(loginData: LoginData) => {
+                <LoginForm fetching={props.fetching} onSubmit={(loginData: LoginData) => {
                     props.onLogin(loginData.username, loginData.password);
                 }}/>
                 <Row type='flex' justify='start' align='top'>
diff --git a/cvat-ui/src/components/register-page/register-form.tsx b/cvat-ui/src/components/register-page/register-form.tsx
index 7e671564b4c..2122aec4b96 100644
--- a/cvat-ui/src/components/register-page/register-form.tsx
+++ b/cvat-ui/src/components/register-page/register-form.tsx
@@ -19,6 +19,7 @@ export interface RegisterData {
 import patterns from '../../utils/validation-patterns';
 
 type RegisterFormProps = {
+    fetching: boolean;
     onSubmit(registerData: RegisterData): void;
 } & FormComponentProps;
 
@@ -212,7 +213,13 @@ class RegisterFormComponent extends React.PureComponent<RegisterFormProps> {
                 {this.renderPasswordConfirmationField()}
 
                 <Form.Item>
-                    <Button type='primary' htmlType='submit' className='register-form-button'>
+                    <Button
+                        type='primary'
+                        htmlType='submit'
+                        className='register-form-button'
+                        loading={this.props.fetching}
+                        disabled={this.props.fetching}
+                    >
                         Submit
                     </Button>
                 </Form.Item>
diff --git a/cvat-ui/src/components/register-page/register-page.tsx b/cvat-ui/src/components/register-page/register-page.tsx
index d38c023478c..5fd4025e63a 100644
--- a/cvat-ui/src/components/register-page/register-page.tsx
+++ b/cvat-ui/src/components/register-page/register-page.tsx
@@ -8,12 +8,12 @@ import Text from 'antd/lib/typography/Text';
 import {
     Col,
     Row,
-    Modal,
 } from 'antd';
 
 import RegisterForm, { RegisterData } from '../../components/register-page/register-form';
 
 interface RegisterPageComponentProps {
+    fetching: boolean;
     onRegister: (username: string, firstName: string,
         lastName: string, email: string,
         password1: string, password2: string) => void;
@@ -32,7 +32,7 @@ function RegisterPageComponent(props: RegisterPageComponentProps & RouteComponen
         <Row type='flex' justify='center' align='middle'>
             <Col {...sizes}>
                 <Title level={2}> Create an account </Title>
-                <RegisterForm onSubmit={(registerData: RegisterData) => {
+                <RegisterForm fetching={props.fetching} onSubmit={(registerData: RegisterData) => {
                     props.onRegister(
                         registerData.username,
                         registerData.firstName,
diff --git a/cvat-ui/src/containers/header/header.tsx b/cvat-ui/src/containers/header/header.tsx
index e8ba4c1e8b2..f3ec07fbe63 100644
--- a/cvat-ui/src/containers/header/header.tsx
+++ b/cvat-ui/src/containers/header/header.tsx
@@ -10,6 +10,7 @@ import {
 import HeaderComponent from '../../components/header/header';
 
 interface StateToProps {
+    logoutFetching: boolean;
     installedAnalytics: boolean;
     installedAutoAnnotation: boolean;
     installedTFSegmentation: boolean;
@@ -25,6 +26,7 @@ function mapStateToProps(state: CombinedState): StateToProps {
     const { auth } = state;
     const { plugins } = state.plugins;
     return {
+        logoutFetching: state.auth.fetching,
         installedAnalytics: plugins[SupportedPlugins.ANALYTICS],
         installedAutoAnnotation: plugins[SupportedPlugins.AUTO_ANNOTATION],
         installedTFSegmentation: plugins[SupportedPlugins.TF_SEGMENTATION],
@@ -42,6 +44,7 @@ function mapDispatchToProps(dispatch: any): DispatchToProps {
 function HeaderContainer(props: StateToProps & DispatchToProps) {
     return (
         <HeaderComponent
+            logoutFetching={props.logoutFetching}
             installedAnalytics={props.installedAnalytics}
             installedTFAnnotation={props.installedTFAnnotation}
             installedTFSegmentation={props.installedTFSegmentation}
diff --git a/cvat-ui/src/containers/login-page/login-page.tsx b/cvat-ui/src/containers/login-page/login-page.tsx
index 76974d2afda..f04e0e3c239 100644
--- a/cvat-ui/src/containers/login-page/login-page.tsx
+++ b/cvat-ui/src/containers/login-page/login-page.tsx
@@ -2,15 +2,20 @@ import React from 'react';
 import { connect } from 'react-redux';
 import { loginAsync } from '../../actions/auth-actions';
 import LoginPageComponent from '../../components/login-page/login-page';
+import { CombinedState } from '../../reducers/interfaces';
 
-interface StateToProps {}
+interface StateToProps {
+    fetching: boolean;
+}
 
 interface DispatchToProps {
     login(username: string, password: string): void;
 }
 
-function mapStateToProps(): StateToProps {
-    return {};
+function mapStateToProps(state: CombinedState): StateToProps {
+    return {
+        fetching: state.auth.fetching,
+    };
 }
 
 function mapDispatchToProps(dispatch: any): DispatchToProps {
@@ -19,9 +24,10 @@ function mapDispatchToProps(dispatch: any): DispatchToProps {
     };
 }
 
-function LoginPageContainer(props: DispatchToProps) {
+function LoginPageContainer(props: DispatchToProps & StateToProps) {
     return (
         <LoginPageComponent
+            fetching={props.fetching}
             onLogin={props.login}
         />
     );
diff --git a/cvat-ui/src/containers/register-page/register-page.tsx b/cvat-ui/src/containers/register-page/register-page.tsx
index b4e8a3054e3..f989ece22bc 100644
--- a/cvat-ui/src/containers/register-page/register-page.tsx
+++ b/cvat-ui/src/containers/register-page/register-page.tsx
@@ -2,8 +2,11 @@ import React from 'react';
 import { connect } from 'react-redux';
 import { registerAsync } from '../../actions/auth-actions';
 import RegisterPageComponent from '../../components/register-page/register-page';
+import { CombinedState } from '../../reducers/interfaces';
 
-interface StateToProps {}
+interface StateToProps {
+    fetching: boolean;
+}
 
 interface DispatchToProps {
     register: (username: string, firstName: string,
@@ -11,8 +14,10 @@ interface DispatchToProps {
         password1: string, password2: string) => void;
 }
 
-function mapStateToProps(): StateToProps {
-    return {};
+function mapStateToProps(state: CombinedState): StateToProps {
+    return {
+        fetching: state.auth.fetching,
+    };
 }
 
 function mapDispatchToProps(dispatch: any): DispatchToProps {
@@ -24,6 +29,7 @@ function mapDispatchToProps(dispatch: any): DispatchToProps {
 function RegisterPageContainer(props: StateToProps & DispatchToProps) {
     return (
         <RegisterPageComponent
+            fetching={props.fetching}
             onRegister={props.register}
         />
     );
diff --git a/cvat-ui/src/core.ts b/cvat-ui/src/core.ts
index 29187c10539..b1d987493ab 100644
--- a/cvat-ui/src/core.ts
+++ b/cvat-ui/src/core.ts
@@ -2,9 +2,12 @@ import _cvat from '../../cvat-core/src/api';
 
 const cvat: any = _cvat;
 
-const protocol = process.env.REACT_APP_API_PROTOCOL;
-const host = process.env.REACT_APP_API_HOST;
-const port = process.env.REACT_APP_API_PORT;
+const protocol = typeof (process.env.REACT_APP_API_PROTOCOL) === 'undefined'
+    ? 'http' : process.env.REACT_APP_API_PROTOCOL;
+const host = typeof (process.env.REACT_APP_API_HOST) === 'undefined'
+    ? 'localhost' : process.env.REACT_APP_API_HOST;
+const port = typeof (process.env.REACT_APP_API_PORT) === 'undefined'
+    ? '7000' : process.env.REACT_APP_API_PORT;
 
 cvat.config.backendAPI = `${protocol}://${host}:${port}/api/v1`;
 
diff --git a/cvat-ui/src/reducers/auth-reducer.ts b/cvat-ui/src/reducers/auth-reducer.ts
index b4cf915a167..023aad82cf9 100644
--- a/cvat-ui/src/reducers/auth-reducer.ts
+++ b/cvat-ui/src/reducers/auth-reducer.ts
@@ -5,6 +5,7 @@ import { AuthState } from './interfaces';
 
 const defaultState: AuthState = {
     initialized: false,
+    fetching: false,
     user: null,
 };
 
@@ -16,21 +17,60 @@ export default (state = defaultState, action: AnyAction): AuthState => {
                 initialized: true,
                 user: action.payload.user,
             };
+        case AuthActionTypes.AUTHORIZED_FAILED:
+                return {
+                    ...state,
+                    initialized: true,
+                };
+        case AuthActionTypes.LOGIN:
+            return {
+                ...state,
+                fetching: true,
+            }
         case AuthActionTypes.LOGIN_SUCCESS:
             return {
                 ...state,
+                fetching: false,
                 user: action.payload.user,
             };
+        case AuthActionTypes.LOGIN_FAILED:
+            return {
+                ...state,
+                fetching: false,
+            };
+        case AuthActionTypes.LOGOUT:
+            return {
+                ...state,
+                fetching: true,
+            };
         case AuthActionTypes.LOGOUT_SUCCESS:
             return {
                 ...state,
+                fetching: false,
                 user: null,
             };
+        case AuthActionTypes.LOGIN_FAILED:
+            return {
+                ...state,
+                fetching: false,
+            };
+        case AuthActionTypes.REGISTER:
+            return {
+                ...state,
+                fetching: true,
+                user: action.payload.user,
+            };
         case AuthActionTypes.REGISTER_SUCCESS:
             return {
                 ...state,
+                fetching: false,
                 user: action.payload.user,
             };
+        case AuthActionTypes.REGISTER_FAILED:
+            return {
+                ...state,
+                fetching: false,
+            };
         default:
             return state;
     }
diff --git a/cvat-ui/src/reducers/formats-reducer.ts b/cvat-ui/src/reducers/formats-reducer.ts
index 8eedb90acb3..01fa6e43d71 100644
--- a/cvat-ui/src/reducers/formats-reducer.ts
+++ b/cvat-ui/src/reducers/formats-reducer.ts
@@ -1,5 +1,6 @@
 import { AnyAction } from 'redux';
 import { FormatsActionTypes } from '../actions/formats-actions';
+import { AuthActionTypes } from '../actions/auth-actions';
 
 import { FormatsState } from './interfaces';
 
@@ -33,6 +34,11 @@ export default (state = defaultState, action: AnyAction): FormatsState => {
                 initialized: true,
                 fetching: false,
             };
+        case AuthActionTypes.LOGOUT_SUCCESS: {
+            return {
+                ...defaultState,
+            }
+        }
         default:
             return state;
     }
diff --git a/cvat-ui/src/reducers/interfaces.ts b/cvat-ui/src/reducers/interfaces.ts
index 4f107fee8f1..7a2e20fa6a6 100644
--- a/cvat-ui/src/reducers/interfaces.ts
+++ b/cvat-ui/src/reducers/interfaces.ts
@@ -1,5 +1,6 @@
 export interface AuthState {
     initialized: boolean;
+    fetching: boolean;
     user: any;
 }
 
@@ -174,8 +175,9 @@ export interface NotificationsState {
         models: {
             creating: any;
             starting: any;
-            fetching: any;
             deleting: any;
+            fetching: any;
+            metaFetching: any;
             inferenceStatusFetching: any;
         };
     };
diff --git a/cvat-ui/src/reducers/models-reducer.ts b/cvat-ui/src/reducers/models-reducer.ts
index 8372c01f964..8636b224ab5 100644
--- a/cvat-ui/src/reducers/models-reducer.ts
+++ b/cvat-ui/src/reducers/models-reducer.ts
@@ -1,6 +1,7 @@
 import { AnyAction } from 'redux';
 
 import { ModelsActionTypes } from '../actions/models-actions';
+import { AuthActionTypes } from '../actions/auth-actions';
 import { ModelsState } from './interfaces';
 
 const defaultState: ModelsState = {
@@ -106,6 +107,11 @@ export default function (state = defaultState, action: AnyAction): ModelsState {
                 inferences,
             };
         }
+        case AuthActionTypes.LOGOUT_SUCCESS: {
+            return {
+                ...defaultState,
+            }
+        }
         default: {
             return {
                 ...state,
diff --git a/cvat-ui/src/reducers/notifications-reducer.ts b/cvat-ui/src/reducers/notifications-reducer.ts
index c4291e71cee..30e9a11798b 100644
--- a/cvat-ui/src/reducers/notifications-reducer.ts
+++ b/cvat-ui/src/reducers/notifications-reducer.ts
@@ -39,8 +39,9 @@ const defaultState: NotificationsState = {
         models: {
             creating: null,
             starting: null,
-            fetching: null,
             deleting: null,
+            fetching: null,
+            metaFetching: null,
             inferenceStatusFetching: null,
         },
     },
@@ -279,6 +280,18 @@ export default function (state = defaultState, action: AnyAction): Notifications
                 ...state,
             };
         }
+        case ModelsActionTypes.FETCH_META_FAILED: {
+            return {
+                ...state,
+                errors: {
+                    ...state.errors,
+                    models: {
+                        ...state.errors.models,
+                        metaFetching: action.payload.error,
+                    },
+                },
+            };
+        }
         case ModelsActionTypes.GET_INFERENCE_STATUS_FAILED: {
             return {
                 ...state,
@@ -331,6 +344,11 @@ export default function (state = defaultState, action: AnyAction): Notifications
                 },
             };
         }
+        case AuthActionTypes.LOGOUT_SUCCESS: {
+            return {
+                ...defaultState,
+            }
+        }
         default: {
             return {
                 ...state,
diff --git a/cvat-ui/src/reducers/plugins-reducer.ts b/cvat-ui/src/reducers/plugins-reducer.ts
index 27913b9629e..29290e18d45 100644
--- a/cvat-ui/src/reducers/plugins-reducer.ts
+++ b/cvat-ui/src/reducers/plugins-reducer.ts
@@ -1,6 +1,7 @@
 import { AnyAction } from 'redux';
 
 import { PluginsActionTypes } from '../actions/plugins-actions';
+import { AuthActionTypes } from '../actions/auth-actions';
 import { registerGitPlugin } from '../utils/git-utils';
 import {
     PluginsState,
@@ -41,6 +42,11 @@ export default function (state = defaultState, action: AnyAction): PluginsState
                 plugins,
             };
         }
+        case AuthActionTypes.LOGOUT_SUCCESS: {
+            return {
+                ...defaultState,
+            }
+        }
         default:
             return { ...state };
     }
diff --git a/cvat-ui/src/reducers/share-reducer.ts b/cvat-ui/src/reducers/share-reducer.ts
index b85ce5622d0..66a989f1970 100644
--- a/cvat-ui/src/reducers/share-reducer.ts
+++ b/cvat-ui/src/reducers/share-reducer.ts
@@ -1,7 +1,12 @@
 import { AnyAction } from 'redux';
 
 import { ShareActionTypes } from '../actions/share-actions';
-import { ShareState, ShareFileInfo, ShareItem } from './interfaces';
+import { AuthActionTypes } from '../actions/auth-actions';
+import {
+    ShareState,
+    ShareFileInfo,
+    ShareItem,
+} from './interfaces';
 
 const defaultState: ShareState = {
     root: {
@@ -38,6 +43,11 @@ export default function (state = defaultState, action: AnyAction): ShareState {
                 ...state,
             };
         }
+        case AuthActionTypes.LOGOUT_SUCCESS: {
+            return {
+                ...defaultState,
+            }
+        }
         default:
             return {
                 ...state,
diff --git a/cvat-ui/src/reducers/tasks-reducer.ts b/cvat-ui/src/reducers/tasks-reducer.ts
index 4b1be064872..0dc48fa64f6 100644
--- a/cvat-ui/src/reducers/tasks-reducer.ts
+++ b/cvat-ui/src/reducers/tasks-reducer.ts
@@ -1,5 +1,6 @@
 import { AnyAction } from 'redux';
 import { TasksActionTypes } from '../actions/tasks-actions';
+import { AuthActionTypes } from '../actions/auth-actions';
 
 import { TasksState, Task } from './interfaces';
 
@@ -404,6 +405,11 @@ export default (state: TasksState = defaultState, action: AnyAction): TasksState
                 }),
             };
         }
+        case AuthActionTypes.LOGOUT_SUCCESS: {
+            return {
+                ...defaultState,
+            }
+        }
         default:
             return state;
     }
diff --git a/cvat-ui/src/reducers/users-reducer.ts b/cvat-ui/src/reducers/users-reducer.ts
index f86755a19ea..b1f10d42742 100644
--- a/cvat-ui/src/reducers/users-reducer.ts
+++ b/cvat-ui/src/reducers/users-reducer.ts
@@ -1,15 +1,16 @@
 import { AnyAction } from 'redux';
 import { UsersState } from './interfaces';
 
+import { AuthActionTypes } from '../actions/auth-actions';
 import { UsersActionTypes } from '../actions/users-actions';
 
-const initialState: UsersState = {
+const defaultState: UsersState = {
     users: [],
     fetching: false,
     initialized: false,
 };
 
-export default function (state: UsersState = initialState, action: AnyAction): UsersState {
+export default function (state: UsersState = defaultState, action: AnyAction): UsersState {
     switch (action.type) {
         case UsersActionTypes.GET_USERS: {
             return {
@@ -31,6 +32,11 @@ export default function (state: UsersState = initialState, action: AnyAction): U
                 fetching: false,
                 initialized: true,
             };
+        case AuthActionTypes.LOGOUT_SUCCESS: {
+            return {
+                ...defaultState,
+            }
+        }
         default:
             return {
                 ...state,
diff --git a/cvat-ui/webpack.config.js b/cvat-ui/webpack.config.js
index ae5688976a1..6f9ae26296b 100644
--- a/cvat-ui/webpack.config.js
+++ b/cvat-ui/webpack.config.js
@@ -59,7 +59,9 @@ module.exports = {
           template: "./src/index.html",
           inject: false,
         }),
-        new Dotenv(),
+        new Dotenv({
+            systemvars: true,
+        }),
     ],
     node: { fs: 'empty' },
 };
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 82dfa352e5a..a3f7c56f0be 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -73,11 +73,11 @@ services:
         https_proxy:
         no_proxy:
         socks_proxy:
+        REACT_APP_API_PROTOCOL: http
+        REACT_APP_API_HOST: localhost
+        REACT_APP_API_PORT: 8080
       dockerfile: Dockerfile.ui
-    environment:
-      REACT_APP_API_PROTOCOL: http
-      REACT_APP_API_HOST: localhost
-      REACT_APP_API_PORT: 8080
+
     networks:
       default:
         aliases: