#1 add login form

client/.eslintrc

-  {
+{
     "env": {
         "browser": true,
         "es6": true,
@@ -9,14 +9,15 @@
         "ecmaFeatures": {
             "jsx": true
         },
-        "project": ["tsconfig.json"],
+        "project": [
+            "tsconfig.json"
+        ],
         "ecmaVersion": 2021,
         "sourceType": "module"
     },
-    
     "settings": {
         "react": {
-          "version": "detect"
+            "version": "detect"
         }
     },
     "extends": [
@@ -27,10 +28,28 @@
         "plugin:prettier/recommended"
     ],
     "rules": {
-        "semi":"off",
+        "semi": "off",
         "react/jsx-one-expression-per-line": "off",
-        "prettier/prettier": ["error", {
-           "endOfLine":"auto"
-         }]
+        "prettier/prettier": [
+            "error",
+            {
+                "endOfLine": "auto"
+            }
+        ],
+        "jsx-a11y/label-has-associated-control": [
+            2,
+            {
+                "labelComponents": [
+                    "CustomInputLabel"
+                ],
+                "labelAttributes": [
+                    "label"
+                ],
+                "controlComponents": [
+                    "CustomInput"
+                ],
+                "depth": 3
+            }
+        ]
     }
-}
+}
\ No newline at end of file

client/package-lock.json

@@ -2199,6 +2199,12 @@
         "@types/node": "*"
       }
     },
+    "@types/history": {
+      "version": "4.7.8",
+      "resolved": "https://registry.npmjs.org/@types/history/-/history-4.7.8.tgz",
+      "integrity": "sha512-S78QIYirQcUoo6UJZx9CSP0O2ix9IaeAXwQi26Rhr/+mg7qqPy8TzaxHSUut7eGjL8WmLccT7/MXf304WjqHcA==",
+      "dev": true
+    },
     "@types/html-minifier-terser": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/@types/html-minifier-terser/-/html-minifier-terser-5.1.1.tgz",
@@ -2244,6 +2250,11 @@
       "resolved": "https://registry.npmjs.org/@types/json5/-/json5-0.0.29.tgz",
       "integrity": "sha1-7ihweulOEdK4J7y+UnC86n8+ce4="
     },
+    "@types/lodash": {
+      "version": "4.14.168",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.168.tgz",
+      "integrity": "sha512-oVfRvqHV/V6D1yifJbVRU3TMp8OT6o6BG+U9MkwuJ3U8/CsDHvalRpsxBqivn71ztOFZBTfJMvETbqHiaNSj7Q=="
+    },
     "@types/minimatch": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
@@ -2296,6 +2307,27 @@
         "@types/react": "*"
       }
     },
+    "@types/react-router": {
+      "version": "5.1.11",
+      "resolved": "https://registry.npmjs.org/@types/react-router/-/react-router-5.1.11.tgz",
+      "integrity": "sha512-ofHbZMlp0Y2baOHgsWBQ4K3AttxY61bDMkwTiBOkPg7U6C/3UwwB5WaIx28JmSVi/eX3uFEMRo61BV22fDQIvg==",
+      "dev": true,
+      "requires": {
+        "@types/history": "*",
+        "@types/react": "*"
+      }
+    },
+    "@types/react-router-dom": {
+      "version": "5.1.7",
+      "resolved": "https://registry.npmjs.org/@types/react-router-dom/-/react-router-dom-5.1.7.tgz",
+      "integrity": "sha512-D5mHD6TbdV/DNHYsnwBTv+y73ei+mMjrkGrla86HthE4/PVvL1J94Bu3qABU+COXzpL23T1EZapVVpwHuBXiUg==",
+      "dev": true,
+      "requires": {
+        "@types/history": "*",
+        "@types/react": "*",
+        "@types/react-router": "*"
+      }
+    },
     "@types/resolve": {
       "version": "0.0.8",
       "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-0.0.8.tgz",
@@ -3709,6 +3741,11 @@
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
       "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
     },
+    "bootstrap": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.6.0.tgz",
+      "integrity": "sha512-Io55IuQY3kydzHtbGvQya3H+KorS/M9rSNyfCGCg9WZ4pyT/lCxIlpJgG1GXW/PswzC84Tr2fBYi+7+jFVQQBw=="
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -6879,6 +6916,27 @@
         "mime-types": "^2.1.12"
       }
     },
+    "formik": {
+      "version": "2.2.6",
+      "resolved": "https://registry.npmjs.org/formik/-/formik-2.2.6.tgz",
+      "integrity": "sha512-Kxk2zQRafy56zhLmrzcbryUpMBvT0tal5IvcifK5+4YNGelKsnrODFJ0sZQRMQboblWNym4lAW3bt+tf2vApSA==",
+      "requires": {
+        "deepmerge": "^2.1.1",
+        "hoist-non-react-statics": "^3.3.0",
+        "lodash": "^4.17.14",
+        "lodash-es": "^4.17.14",
+        "react-fast-compare": "^2.0.1",
+        "tiny-warning": "^1.0.2",
+        "tslib": "^1.10.0"
+      },
+      "dependencies": {
+        "deepmerge": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-2.2.1.tgz",
+          "integrity": "sha512-R9hc1Xa/NOBi9WRVUWg19rl1UB7Tt4kuPd+thNJgFZoxXsTz7ncaPaeIm+40oSGuP33DfMb4sZt1QIGiJzC4EA=="
+        }
+      }
+    },
     "forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
@@ -7258,6 +7316,19 @@
       "resolved": "https://registry.npmjs.org/hex-color-regex/-/hex-color-regex-1.1.0.tgz",
       "integrity": "sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ=="
     },
+    "history": {
+      "version": "4.10.1",
+      "resolved": "https://registry.npmjs.org/history/-/history-4.10.1.tgz",
+      "integrity": "sha512-36nwAD620w12kuzPAsyINPWJqlNbij+hpK1k9XRloDtym8mxzGYl2c17LnV6IAGB2Dmg4tEa7G7DlawS0+qjew==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "loose-envify": "^1.2.0",
+        "resolve-pathname": "^3.0.0",
+        "tiny-invariant": "^1.0.2",
+        "tiny-warning": "^1.0.0",
+        "value-equal": "^1.0.1"
+      }
+    },
     "hmac-drbg": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
@@ -7268,6 +7339,14 @@
         "minimalistic-crypto-utils": "^1.0.1"
       }
     },
+    "hoist-non-react-statics": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz",
+      "integrity": "sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==",
+      "requires": {
+        "react-is": "^16.7.0"
+      }
+    },
     "hoopy": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/hoopy/-/hoopy-0.1.4.tgz",
@@ -9855,6 +9934,11 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
       "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
     },
+    "lodash-es": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.21.tgz",
+      "integrity": "sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw=="
+    },
     "lodash._reinterpolate": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz",
@@ -10109,6 +10193,15 @@
       "resolved": "https://registry.npmjs.org/min-indent/-/min-indent-1.0.1.tgz",
       "integrity": "sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg=="
     },
+    "mini-create-react-context": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/mini-create-react-context/-/mini-create-react-context-0.4.1.tgz",
+      "integrity": "sha512-YWCYEmd5CQeHGSAKrYvXgmzzkrvssZcuuQDDeqkT+PziKGMgE+0MCCtcKbROzocGBG1meBLl2FotlRwf4gAzbQ==",
+      "requires": {
+        "@babel/runtime": "^7.12.1",
+        "tiny-warning": "^1.0.3"
+      }
+    },
     "mini-css-extract-plugin": {
       "version": "0.11.3",
       "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.11.3.tgz",
@@ -10300,6 +10393,11 @@
       "resolved": "https://registry.npmjs.org/multicast-dns-service-types/-/multicast-dns-service-types-1.1.0.tgz",
       "integrity": "sha1-iZ8R2WhuXgXLkbNdXw5jt3PPyQE="
     },
+    "nanoclone": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/nanoclone/-/nanoclone-0.2.1.tgz",
+      "integrity": "sha512-wynEP02LmIbLpcYw8uBKpcfF6dmg2vcpKqxeH5UcoKEYdExslsdUA4ugFauuaeYdTB76ez6gJW8XAZ6CgkXYxA=="
+    },
     "nanoid": {
       "version": "3.1.20",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.20.tgz",
@@ -12255,6 +12353,11 @@
         "react-is": "^16.8.1"
       }
     },
+    "property-expr": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/property-expr/-/property-expr-2.0.4.tgz",
+      "integrity": "sha512-sFPkHQjVKheDNnPvotjQmm3KD3uk1fWKUN7CrpdbwmUx3CrG3QiM8QpTSimvig5vTXmTvjz7+TDvXOI9+4rkcg=="
+    },
     "proxy-addr": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.6.tgz",
@@ -12554,6 +12657,11 @@
       "resolved": "https://registry.npmjs.org/react-error-overlay/-/react-error-overlay-6.0.9.tgz",
       "integrity": "sha512-nQTTcUu+ATDbrSD1BZHr5kgSD4oF8OFjxun8uAaL8RwPBacGBNPf/yAuVVdx17N8XNzRDMrZ9XcKZHCjPW+9ew=="
     },
+    "react-fast-compare": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/react-fast-compare/-/react-fast-compare-2.0.4.tgz",
+      "integrity": "sha512-suNP+J1VU1MWFKcyt7RtjiSWUjvidmQSlqu+eHslq+342xCbGTYmC0mEhPCOHxlW0CywylOC1u2DFAT+bv4dBw=="
+    },
     "react-is": {
       "version": "16.13.1",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
@@ -12564,6 +12672,52 @@
       "resolved": "https://registry.npmjs.org/react-refresh/-/react-refresh-0.8.3.tgz",
       "integrity": "sha512-X8jZHc7nCMjaCqoU+V2I0cOhNW+QMBwSUkeXnTi8IPe6zaRWfn60ZzvFDZqWPfmSJfjub7dDW1SP0jaHWLu/hg=="
     },
+    "react-router": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-5.2.0.tgz",
+      "integrity": "sha512-smz1DUuFHRKdcJC0jobGo8cVbhO3x50tCL4icacOlcwDOEQPq4TMqwx3sY1TP+DvtTgz4nm3thuo7A+BK2U0Dw==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "history": "^4.9.0",
+        "hoist-non-react-statics": "^3.1.0",
+        "loose-envify": "^1.3.1",
+        "mini-create-react-context": "^0.4.0",
+        "path-to-regexp": "^1.7.0",
+        "prop-types": "^15.6.2",
+        "react-is": "^16.6.0",
+        "tiny-invariant": "^1.0.2",
+        "tiny-warning": "^1.0.0"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+        },
+        "path-to-regexp": {
+          "version": "1.8.0",
+          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz",
+          "integrity": "sha512-n43JRhlUKUAlibEJhPeir1ncUID16QnEjNpwzNdO3Lm4ywrBpBZ5oLD0I6br9evr1Y9JTqwRtAh7JLoOzAQdVA==",
+          "requires": {
+            "isarray": "0.0.1"
+          }
+        }
+      }
+    },
+    "react-router-dom": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-5.2.0.tgz",
+      "integrity": "sha512-gxAmfylo2QUjcwxI63RhQ5G85Qqt4voZpUXSEqCwykV0baaOTQDR1f0PmY8AELqIyVc0NEZUj0Gov5lNGcXgsA==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "history": "^4.9.0",
+        "loose-envify": "^1.3.1",
+        "prop-types": "^15.6.2",
+        "react-router": "5.2.0",
+        "tiny-invariant": "^1.0.2",
+        "tiny-warning": "^1.0.0"
+      }
+    },
     "react-scripts": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/react-scripts/-/react-scripts-4.0.2.tgz",
@@ -13078,6 +13232,11 @@
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     },
+    "resolve-pathname": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-pathname/-/resolve-pathname-3.0.0.tgz",
+      "integrity": "sha512-C7rARubxI8bXFNB/hqcp/4iUeIXJhJZvFPFPiSPRnhU5UPxzMFIl+2E6yY6c4k9giDJAhtV+enfA+G89N6Csng=="
+    },
     "resolve-url": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
@@ -14731,6 +14890,16 @@
       "resolved": "https://registry.npmjs.org/timsort/-/timsort-0.3.0.tgz",
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q="
     },
+    "tiny-invariant": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.1.0.tgz",
+      "integrity": "sha512-ytxQvrb1cPc9WBEI/HSeYYoGD0kWnGEOR8RY6KomWLBVhqz0RgTwVO9dLrGz7dC+nN9llyI7OKAgRq8Vq4ZBSw=="
+    },
+    "tiny-warning": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tiny-warning/-/tiny-warning-1.0.3.tgz",
+      "integrity": "sha512-lBN9zLN/oAf68o3zNXYrdCt1kP8WsiGW8Oo2ka41b2IM5JL/S1CTyX1rW0mb/zSuJun0ZUrDxx4sqvYS2FWzPA=="
+    },
     "tmpl": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/tmpl/-/tmpl-1.0.4.tgz",
@@ -14788,6 +14957,11 @@
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
+    "toposort": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/toposort/-/toposort-2.0.2.tgz",
+      "integrity": "sha1-riF2gXXRVZ1IvvNUILL0li8JwzA="
+    },
     "tough-cookie": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-3.0.1.tgz",
@@ -15206,6 +15380,11 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "value-equal": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/value-equal/-/value-equal-1.0.1.tgz",
+      "integrity": "sha512-NOJ6JZCAWr0zlxZt+xqCHNTEKOsrks2HQd4MqhP1qy4z1SkbEP467eNx6TgDKXMvUOb+OENfJCZwM+16n7fRfw=="
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -16760,6 +16939,20 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
       "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q=="
+    },
+    "yup": {
+      "version": "0.32.9",
+      "resolved": "https://registry.npmjs.org/yup/-/yup-0.32.9.tgz",
+      "integrity": "sha512-Ci1qN+i2H0XpY7syDQ0k5zKQ/DoxO0LzPg8PAR/X4Mpj6DqaeCoIYEEjDJwhArh3Fa7GWbQQVDZKeXYlSH4JMg==",
+      "requires": {
+        "@babel/runtime": "^7.10.5",
+        "@types/lodash": "^4.14.165",
+        "lodash": "^4.17.20",
+        "lodash-es": "^4.17.15",
+        "nanoclone": "^0.2.1",
+        "property-expr": "^2.0.4",
+        "toposort": "^2.0.2"
+      }
     }
   }
 }

client/package.json

@@ -10,14 +10,19 @@
     "@types/node": "^12.19.16",
     "@types/react": "^17.0.1",
     "@types/react-dom": "^17.0.0",
+    "axios": "^0.21.1",
+    "bootstrap": "^4.6.0",
+    "formik": "^2.2.6",
     "react": "^17.0.1",
     "react-dom": "^17.0.1",
+    "react-router-dom": "^5.2.0",
     "react-scripts": "4.0.2",
     "typescript": "^4.1.3",
-    "axios": "^0.21.1",
-    "web-vitals": "^1.1.0"
+    "web-vitals": "^1.1.0",
+    "yup": "^0.32.9"
   },
   "devDependencies": {
+    "@types/react-router-dom": "^5.1.7",
     "@typescript-eslint/eslint-plugin": "4.2.0",
     "@typescript-eslint/parser": "4.2.0",
     "eslint": "7.19.0",

client/src/App.css

-.App {
-  text-align: center;
-}
-
-.App-logo {
-  height: 40vmin;
-  pointer-events: none;
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
-}
-
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
-}
-
-.App-link {
-  color: #61dafb;
-}
-
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
+.wrapper {
+  padding: 20px;
 }

client/src/App.tsx

-import axios from 'axios'
-import React, { useEffect, useState } from 'react'
+import React from 'react'
+import { BrowserRouter, Route, Switch } from 'react-router-dom'
 import './App.css'
-import logo from './logo.svg'
-
-interface Message {
-  message: string
-}
+import LoginForm from './components/Login'
+import TestConnection from './components/TestConnection'
 
 const App: React.FC = () => {
-  const [currentMessage, setCurrentMessage] = useState<Message>()
-  useEffect(() => {
-    axios.get<Message>('users/test').then((response) => {
-      setCurrentMessage(response.data)
-    })
-  }, [])
-
   return (
-    <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-        <p>Current message is {currentMessage?.message}</p>
-      </header>
+    <div className="wrapper">
+      <h1>Application</h1>
+      <TestConnection />
+      <BrowserRouter>
+        <Switch>
+          <Route path="/">
+            <LoginForm />
+          </Route>
+        </Switch>
+      </BrowserRouter>
     </div>
   )
 }

client/src/components/Login.tsx

+import axios from 'axios'
+import 'bootstrap/dist/css/bootstrap.min.css'
+import { ErrorMessage, Field, Form, Formik } from 'formik'
+import React, { useState } from 'react'
+import * as Yup from 'yup'
+import { LoginModel } from '../interfaces/models'
+
+interface LoginState {
+  status: number
+  message: string
+}
+
+interface LoginFormModel {
+  model: LoginModel
+  error?: string
+}
+
+const schema: Yup.SchemaOf<LoginFormModel> = Yup.object({
+  model: Yup.object()
+    .shape({
+      email: Yup.string()
+        .email('Email not valid')
+        .required('Email is required'),
+      password: Yup.string()
+        .required('Password is required')
+        .min(6, 'Password must be at least 6 characters')
+    })
+    .required(),
+  error: Yup.string().optional()
+})
+
+const LoginForm: React.FC = () => {
+  const [serverState, setServerState] = useState<LoginFormModel>()
+  const initialValues: LoginFormModel = { model: { email: '', password: '' } }
+  return (
+    <Formik
+      initialValues={initialValues}
+      validationSchema={schema}
+      onSubmit={async (values, actions) => {
+        await axios
+          .post(`users/login`, values.model)
+          .then((res) => {
+            actions.resetForm()
+          })
+          .catch((error) => {
+            actions.setFieldError('error', 'Invalid email or password')
+          })
+          .finally(() => {
+            actions.setSubmitting(false)
+          })
+      }}
+    >
+      {(formik) => (
+        <Form>
+          <div className="form-group">
+            <label htmlFor="model.email">Email Address</label>
+            <Field name="model.email" type="email" className="form-control" />
+            <ErrorMessage name="model.email">
+              {(msg) => <div className="text-danger">{msg}</div>}
+            </ErrorMessage>
+          </div>
+
+          <div className="form-group">
+            <label htmlFor="model.password">Password</label>
+            <Field
+              name="model.password"
+              type="password"
+              className="form-control"
+            />
+            <ErrorMessage name="model.password">
+              {(msg) => <div className="text-danger">{msg}</div>}
+            </ErrorMessage>
+          </div>
+
+          <div className="form-group">
+            <button type="submit" className="btn btn-primary">
+              Login
+            </button>
+          </div>
+          <div className="form-group">
+            <ErrorMessage name="error">
+              {(msg) => <div className="text-danger">{msg}</div>}
+            </ErrorMessage>
+          </div>
+        </Form>
+      )}
+    </Formik>
+  )
+}
+
+export default LoginForm

client/src/components/TestConnection.tsx

+import axios from 'axios'
+import React, { useEffect, useState } from 'react'
+
+interface Message {
+  message: string
+}
+
+const TestConnection: React.FC = () => {
+  const [currentMessage, setCurrentMessage] = useState<Message>()
+  useEffect(() => {
+    axios.get<Message>('users/test').then((response) => {
+      setCurrentMessage(response.data)
+    })
+  }, [])
+  return <p>Connection with server is: {currentMessage?.message}</p>
+}
+
+export default TestConnection

client/src/index.tsx

+import 'bootstrap/dist/css/bootstrap.min.css'
 import React from 'react'
 import ReactDOM from 'react-dom'
 import App from './App'

client/src/interfaces/models.ts

+export interface LoginModel {
+  email: string
+  password: string
+}