diff --git a/Jenkinsfile b/Jenkinsfile
new file mode 100644
index 0000000..cc4c675
--- /dev/null
+++ b/Jenkinsfile
@@ -0,0 +1,198 @@
+pipeline {
+  agent any
+
+  environment {
+    DatabaseUrl = sh(returnStdout: true, script: 'bash /var/lib/jenkins/variables/CureNet/var.sh ${BRANCH_NAME} DatabaseUrl').trim()
+    ProjectPath = sh(returnStdout: true, script: 'bash /var/lib/jenkins/variables/CureNet/var.sh ${BRANCH_NAME} ProjectPath').trim()
+    DatabaseUrlTesting = sh(returnStdout: true, script: 'bash /var/lib/jenkins/variables/CureNet/var.sh master DatabaseUrl').trim()
+  }
+
+  stages {
+    stage('Pull') {
+      steps {
+        git(url: 'http://git.fufle.net/Community/CureNet.git', branch: '${BRANCH_NAME}', credentialsId: '799188a2-c281-4e4c-b78f-c82132ea792b', poll: true)
+      }
+    }
+
+    stage('Approve') {
+      steps {
+        echo "http://git.fufle.net/Community/CureNet/commit/${env.GIT_COMMIT}"
+        script {
+          if (env.BRANCH_NAME == "prod") {
+            echo "http://git.fufle.net/Community/CureNet/compare/prod...staging"
+            input(message: 'Deploy to production?', id: 'A', ok: 'Yes', submitter: 'deploy', submitterParameter: 'a')
+          }
+          if (env.BRANCH_NAME == "staging") {
+            echo "http://git.fufle.net/Community/CureNet/compare/staging...beta"
+            input(message: 'Deploy to staging instance?', id: 'A', ok: 'Yes', submitter: 'deploy', submitterParameter: 'a')
+          }
+          if (env.BRANCH_NAME == "beta") {
+            echo "http://git.fufle.net/Community/CureNet/compare/beta...dev"
+            input(message: 'Deploy to beta instance?', id: 'A', ok: 'Yes', submitter: 'deploy', submitterParameter: 'a')
+          }
+        }
+
+      }
+    }
+
+    stage('Install') {
+      parallel {
+        stage('Frontend') {
+          steps {
+            dir(path: 'src/frontend') {
+              sh 'sed -i "s/-1001/${BUILD_ID}/g" src/environments/*.ts'
+              sh 'Timestamp=`php8.0 -r "echo time();"` && sed -i "s/-1002/${Timestamp}/g" src/environments/*.ts'
+              sh 'npm ci'
+            }
+
+          }
+        }
+
+        stage('Backend') {
+          steps {
+            dir(path: 'src/backend') {
+              sh 'php8.0 /bin/composer install'
+            }
+
+          }
+        }
+
+      }
+    }
+
+    stage('Configure for tests') {
+      parallel {
+        stage('Frontend') {
+          steps {
+            dir(path: 'src/frontend') {
+              sh 'echo skip'
+            }
+
+          }
+        }
+
+        stage('Backend') {
+          steps {
+            dir(path: 'src/backend') {
+              sh 'APP_SECRET=`php8.0 -r "echo md5(\\"branch=${BRANCH_NAME};\\");"` && sed -i "s/APP_SECRET=.*/APP_SECRET=${APP_SECRET}/g" .env'
+              sh '''sed -i 's/DATABASE_URL=.*/DATABASE_URL=${DatabaseUrlTesting}/g' .env.test'''
+              sh 'composer dump-env test'
+              sh 'php8.0 bin/console doctrine:schema:update --force';
+            }
+
+          }
+        }
+
+      }
+    }
+
+    stage('Test') {
+      parallel {
+        stage('Frontend') {
+          steps {
+            dir(path: 'src/frontend') {
+              sh 'ng lint'
+            }
+
+          }
+        }
+
+        stage('Backend') {
+          steps {
+            dir(path: 'src/backend') {
+              sh 'php8.0 vendor/bin/phpunit'
+            }
+
+          }
+        }
+
+      }
+    }
+
+    stage('Configure') {
+      parallel {
+        stage('Frontend') {
+          steps {
+            dir(path: 'src/frontend') {
+              sh 'echo skip'
+            }
+
+          }
+        }
+
+        stage('Backend') {
+          steps {
+            dir(path: 'src/backend') {
+              sh 'APP_SECRET=`php8.0 -r "echo md5(\\"branch=${BRANCH_NAME};\\");"` && sed -i "s/APP_SECRET=.*/APP_SECRET=${APP_SECRET}/g" .env'
+              sh 'sed -i "s/DATABASE_URL=.*/DATABASE_URL=${DatabaseUrl}/g" .env.dev'
+              sh 'composer dump-env dev'
+            }
+
+          }
+        }
+
+      }
+    }
+
+    stage('Build') {
+      parallel {
+        stage('Frontend') {
+          steps {
+            dir(path: 'src/frontend') {
+              sh 'ng b -c production'
+            }
+
+          }
+        }
+
+        stage('Backend') {
+          steps {
+            dir(path: 'src/backend') {
+              sh 'echo skip'
+            }
+
+          }
+        }
+
+      }
+    }
+
+    stage('Deploy') {
+      when {
+        anyOf {
+          branch 'master'
+          branch 'staging'
+          branch 'beta'
+          branch 'dev'
+        }
+
+      }
+
+      parallel {
+        stage('Frontend') {
+          steps {
+            dir(path: 'src/frontend') {
+              sh 'ssh web@fufle.net touch ${ProjectPath}/frontend/REMOVEME'
+              sh 'ssh web@fufle.net rm -rf ${ProjectPath}/frontend/*'
+              sh 'scp -r dist/* web@fufle.net:${ProjectPath}/frontend/'
+            }
+
+          }
+        }
+
+        stage('Backend') {
+          steps {
+            dir(path: 'src/backend') {
+              sh 'ssh web@fufle.net touch ${ProjectPath}/backend/REMOVEME'
+              sh 'ssh web@fufle.net rm -rf ${ProjectPath}/backend/*'
+              sh 'scp -r ./* web@fufle.net:${ProjectPath}/backend/'
+            }
+
+          }
+        }
+
+      }
+    }
+
+  }
+}
\ No newline at end of file
diff --git a/src/backend/.env.test b/src/backend/.env.test
index 9e7162f..06142a2 100644
--- a/src/backend/.env.test
+++ b/src/backend/.env.test
@@ -4,3 +4,4 @@ APP_SECRET='$ecretf0rt3st'
 SYMFONY_DEPRECATIONS_HELPER=999999
 PANTHER_APP_ENV=panther
 PANTHER_ERROR_SCREENSHOT_DIR=./var/error-screenshots
+DATABASE_URL="postgresql://db_user:db_password@127.0.0.1:5432/db_name?serverVersion=13&charset=utf8"
diff --git a/src/frontend/src/app/app-routing.module.ts b/src/frontend/src/app/app-routing.module.ts
index 8458c35..a221c4b 100644
--- a/src/frontend/src/app/app-routing.module.ts
+++ b/src/frontend/src/app/app-routing.module.ts
@@ -3,100 +3,111 @@ import { Route, RouterModule } from '@angular/router';
 import { NotFoundComponent } from './modules/shared/components/not-found/not-found.component';
 
 interface AppMenuEntry {
-  label: string;
-  icon: string;
-  path?: string;
-  matchExact?: boolean;
-  level?: number;
+    label: string;
+    icon: string;
+    path?: string;
+    matchExact?: boolean;
+    level?: number;
 }
 
 interface AppRoute extends Route {
-  menuEntries?: AppMenuEntry[];
+    menuEntries?: AppMenuEntry[];
 }
 
 export const appRoutes: AppRoute[] = [
-  {
-    path: '',
-    component: NotFoundComponent,
-    menuEntries: [
-      {
-        label: 'MENU.HOME',
-        icon: 'fa fa-home',
-        matchExact: true,
-      },
-    ],
-  },
-  {
-    path: 'profile',
-    component: NotFoundComponent,
-    menuEntries: [
-      {
-        label: 'MENU.PROFILE',
-        icon: 'fa fa-user',
-      },
-    ],
-  },
-  {
-    path: 'community',
-    component: NotFoundComponent,
-    menuEntries: [
-      {
-        label: 'MENU.COMMUNITY',
-        icon: 'fa fa-users',
-      },
-    ],
-  },
-  {
-    path: 'messages',
-    component: NotFoundComponent,
-    menuEntries: [
-      {
-        label: 'MENU.MESSAGES',
-        icon: 'fa fa-comments',
-      },
-    ],
-  },
-  {
-    path: 'tests',
-    component: NotFoundComponent,
-    menuEntries: [
-      {
-        label: 'MENU.TESTS',
-        icon: 'fa fa-heartbeat',
-      },
-    ],
-  },
-  {
-    path: 'research',
-    component: NotFoundComponent,
-    menuEntries: [
-      {
-        label: 'MENU.RESEARCH',
-        icon: 'fa fa-flask',
-      },
-    ],
-  },
-  {
-    path: 'admin',
-    loadChildren: () => import('./modules/admin/admin.module').then(m => m.AdminModule),
-    menuEntries: [
-      {
-        label: 'MENU.ADMIN',
-        icon: 'fa fa-id-card',
-        matchExact: true,
-      },
-      {
-        path: 'admin/users',
-        label: 'MENU.USERS',
-        icon: 'fa fa-users',
-        level: 1,
-      }
-    ],
-  },
+    {
+        path: '',
+        component: NotFoundComponent,
+        menuEntries: [
+            {
+                label: 'MENU.HOME',
+                icon: 'fa fa-home',
+                matchExact: true,
+            },
+        ],
+    },
+    {
+        path: 'profile',
+        component: NotFoundComponent,
+        menuEntries: [
+            {
+                label: 'MENU.PROFILE',
+                icon: 'fa fa-user',
+            },
+        ],
+    },
+    {
+        path: 'community',
+        component: NotFoundComponent,
+        menuEntries: [
+            {
+                label: 'MENU.COMMUNITY',
+                icon: 'fa fa-users',
+            },
+        ],
+    },
+    {
+        path: 'questions',
+        component: NotFoundComponent,
+        menuEntries: [
+            {
+                label: 'MENU.QUESTIONS',
+                icon: 'fa fa-question',
+                level: 1,
+            }
+        ],
+    },
+    {
+        path: 'messages',
+        component: NotFoundComponent,
+        menuEntries: [
+            {
+                label: 'MENU.MESSAGES',
+                icon: 'fa fa-comments',
+            },
+        ],
+    },
+    {
+        path: 'tests',
+        component: NotFoundComponent,
+        menuEntries: [
+            {
+                label: 'MENU.TESTS',
+                icon: 'fa fa-heartbeat',
+            },
+        ],
+    },
+    {
+        path: 'research',
+        component: NotFoundComponent,
+        menuEntries: [
+            {
+                label: 'MENU.RESEARCH',
+                icon: 'fa fa-flask',
+            },
+        ],
+    },
+    {
+        path: 'admin',
+        loadChildren: () => import('./modules/admin/admin.module').then(m => m.AdminModule),
+        menuEntries: [
+            {
+                label: 'MENU.ADMIN',
+                icon: 'fa fa-id-card',
+                matchExact: true,
+            },
+            {
+                path: 'admin/users',
+                label: 'MENU.USERS',
+                icon: 'fa fa-users',
+                level: 1,
+            }
+        ],
+    },
 ];
 
 @NgModule({
-  imports: [RouterModule.forRoot(appRoutes)],
-  exports: [RouterModule]
+    imports: [RouterModule.forRoot(appRoutes)],
+    exports: [RouterModule]
 })
 export class AppRoutingModule { }
diff --git a/src/frontend/src/app/app.component.ts b/src/frontend/src/app/app.component.ts
index 446080d..9bbdd01 100644
--- a/src/frontend/src/app/app.component.ts
+++ b/src/frontend/src/app/app.component.ts
@@ -36,7 +36,7 @@ export class AppComponent {
       avatar: 'https://www.gravatar.com/avatar/81b206a89f89d5b1123b87606075c6a8?s=514&d=robohash',
   };
 
-  get isSidebarOpen() {
+  get isSidebarOpen(): boolean {
     switch (this.sidebarOpen) {
       case SidebarOpenEnum.Open:
         return true;
@@ -86,7 +86,7 @@ export class AppComponent {
     }
   }
 
-  onThemeChanged(theme: string) {
+  onThemeChanged(theme: string): void {
     if (theme === undefined) {
       return;
     }
@@ -95,7 +95,7 @@ export class AppComponent {
     this.isDark = theme.indexOf('dark') !== -1;
   }
 
-  onResize(size: WindowSize) {
+  onResize(size: WindowSize): void {
     if (size === undefined) {
       return;
     }
@@ -104,7 +104,7 @@ export class AppComponent {
     this.sidebarMode = this.isMobile ? 'over' : 'side';
   }
 
-  onLangChanged(lang: string) {
+  onLangChanged(lang: string): void {
     if (lang === undefined) {
       return;
     }
@@ -112,16 +112,16 @@ export class AppComponent {
     this.langControl.setValue(lang);
   }
 
-  toggleSidebar() {
+  toggleSidebar(): void {
     this.sidebarOpen = this.isSidebarOpen ? SidebarOpenEnum.Closed : SidebarOpenEnum.Open;
     this.browserStorageService.setItem('sidebar.open', this.sidebarOpen);
   }
 
-  onSidebarOpenedChange(opened: boolean) {
+  onSidebarOpenedChange(opened: boolean): void {
     this.sidebarOpen = opened ? SidebarOpenEnum.Open : SidebarOpenEnum.Closed;
   }
 
   url(url: string): SafeStyle {
     return this.sanitizer.bypassSecurityTrustStyle(`url('${url}')`);
   }
-}
\ No newline at end of file
+}
diff --git a/src/frontend/src/app/app.module.ts b/src/frontend/src/app/app.module.ts
index 6b83379..aadeb8f 100644
--- a/src/frontend/src/app/app.module.ts
+++ b/src/frontend/src/app/app.module.ts
@@ -12,7 +12,7 @@ import { FormsModule, ReactiveFormsModule } from '@angular/forms';
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
 import { TranslateHttpLoader } from '@ngx-translate/http-loader';
 
-export function HttpLoaderFactory(http: HttpClient) {
+export function HttpLoaderFactory(http: HttpClient): TranslateHttpLoader {
   return new TranslateHttpLoader(http, '/assets/lang/', '.json');
 }
 
diff --git a/src/frontend/src/app/modules/shared/services/app/app.service.ts b/src/frontend/src/app/modules/shared/services/app/app.service.ts
index 40ae29e..5299e2d 100644
--- a/src/frontend/src/app/modules/shared/services/app/app.service.ts
+++ b/src/frontend/src/app/modules/shared/services/app/app.service.ts
@@ -13,13 +13,14 @@ export class WindowSize {
     this.isMobile = this.width <= 700;
   }
 
-  update() {
-    this.width = window.innerWidth;
-    this.height = window.innerHeight;
+  static generate(): WindowSize {
+    return new WindowSize(window.innerWidth, window.innerHeight);
   }
 
-  static generate() {
-    return new WindowSize(window.innerWidth, window.innerHeight);
+  update(): WindowSize {
+    this.width = window.innerWidth;
+    this.height = window.innerHeight;
+    return this;
   }
 }
 
@@ -41,29 +42,29 @@ export class AppService {
     });
     this.sizeChange.subscribe(size => this.size = size);
     this.sizeChange.next(WindowSize.generate());
-    let lang = browserStorageService.getItem('language');
-    if (!lang) {
-      lang = this.defaultLang;
+    let language = browserStorageService.getItem('language');
+    if (!language) {
+        language = this.defaultLang;
     }
     this.translate.setDefaultLang(this.defaultLang);
-    this.changeLang(lang);
+    this.changeLang(language);
     fromEvent(window, 'resize').subscribe(e => {
       this.sizeChange.next(WindowSize.generate());
-    })
+    });
   }
 
-  changeLang(lang: string) {
+  changeLang(lang: string): void {
     if (lang !== this.lang) {
       this.translate.use(lang);
       this.langChange.next(lang);
     }
   }
 
-  getLang() {
+  getLang(): string {
     return this.lang;
   }
 
-  getLangs() {
+  getLangs(): string[] {
     return [
       'pl',
       'en',
diff --git a/src/frontend/src/app/modules/shared/services/browser-storage/browser-storage.service.ts b/src/frontend/src/app/modules/shared/services/browser-storage/browser-storage.service.ts
index 5ed4972..fad291e 100644
--- a/src/frontend/src/app/modules/shared/services/browser-storage/browser-storage.service.ts
+++ b/src/frontend/src/app/modules/shared/services/browser-storage/browser-storage.service.ts
@@ -5,12 +5,13 @@ export class BrowserStorageService {
 
   private storage: Storage;
   private namespace: string;
+
   constructor() {
     this.storage = localStorage;
     this.namespace = 'default';
   }
 
-  setNamespace(namespace: string) {
+  setNamespace(namespace: string): void {
     this.namespace = namespace;
   }
 
@@ -18,7 +19,7 @@ export class BrowserStorageService {
     return namespace ?? this.namespace;
   }
 
-  setItem(key: string, value: any, namespace: string | null = null) {
+  setItem(key: string, value: any, namespace: string | null = null): void {
     namespace = this.getNamespace(namespace);
     const path = `${namespace}.${key}`;
     this.storage.setItem(path, JSON.stringify(value));
diff --git a/src/frontend/src/app/modules/shared/services/theme/theme.service.ts b/src/frontend/src/app/modules/shared/services/theme/theme.service.ts
index 080d21c..637f7d9 100644
--- a/src/frontend/src/app/modules/shared/services/theme/theme.service.ts
+++ b/src/frontend/src/app/modules/shared/services/theme/theme.service.ts
@@ -21,11 +21,11 @@ export class ThemeService {
         this.setTheme(userTheme);
     }
 
-    getTheme() {
+    getTheme(): string {
         return this.theme;
     }
 
-    setTheme(theme: string) {
+    setTheme(theme: string): void {
         if (theme !== this.theme) {
             this.themeChange.next(theme);
             document.getElementById('current-theme').setAttribute('href', `/${theme}.css`);
@@ -37,5 +37,5 @@ export class ThemeService {
             'light',
             'dark',
         ];
-    };
+    }
 }
diff --git a/src/frontend/src/assets/lang/en.json b/src/frontend/src/assets/lang/en.json
index 58dc61a..cb83b1b 100644
--- a/src/frontend/src/assets/lang/en.json
+++ b/src/frontend/src/assets/lang/en.json
@@ -19,7 +19,9 @@
         "HOME": "Dashboard",
         "PROFILE": "Profile",
         "COMMUNITY": "Community",
+        "GROUP": "My group",
         "MESSAGES": "Messages",
+        "QUESTIONS": "Q&A",
         "TESTS": "Laboratory tests",
         "RESEARCH": "Research",
         "ADMIN": "Admin",
diff --git a/src/frontend/src/assets/lang/pl.json b/src/frontend/src/assets/lang/pl.json
index 6855253..64b3e9c 100644
--- a/src/frontend/src/assets/lang/pl.json
+++ b/src/frontend/src/assets/lang/pl.json
@@ -19,7 +19,9 @@
         "HOME": "Kokpit",
         "PROFILE": "Profil",
         "COMMUNITY": "Społeczność",
+        "GROUP": "Moja grupa",
         "MESSAGES": "Wiadomości",
+        "QUESTIONS": "Pytania i odpowiedzi",
         "TESTS": "Wyniki badań",
         "RESEARCH": "Badania naukowe",
         "ADMIN": "Panel administratora",
diff --git a/src/frontend/src/environments/environment.prod.ts b/src/frontend/src/environments/environment.prod.ts
index 3612073..c831413 100644
--- a/src/frontend/src/environments/environment.prod.ts
+++ b/src/frontend/src/environments/environment.prod.ts
@@ -1,3 +1,5 @@
 export const environment = {
-  production: true
+    production: true,
+    buildId: -1001,
+    buildTime: -1002,
 };
diff --git a/src/frontend/src/environments/environment.ts b/src/frontend/src/environments/environment.ts
index 30d7bcc..50099fc 100644
--- a/src/frontend/src/environments/environment.ts
+++ b/src/frontend/src/environments/environment.ts
@@ -3,7 +3,9 @@
 // The list of file replacements can be found in `angular.json`.
 
 export const environment = {
-  production: false
+    production: false,
+    buildId: -1001,
+    buildTime: -1002,
 };
 
 /*