diff --git a/backend.yml b/backend.yml
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+openapi: 3.0.3
+info:
+  title: videON Backend
+  description: Backend of videON
+  contact:
+    email: tormakristof@tormakristof.eu
+  license:
+    name: Apache 2.0
+    url: http://www.apache.org/licenses/LICENSE-2.0.html
+  version: 1.0.0
+servers:
+- url: https://videon.k8s.kmlabz.com
+tags:
+- name: backend
+  description: videON Backend interaction
+paths:
+  /api/users:
+    get:
+      tags:
+      - backend
+      summary: Get all users
+      operationId: getall
+      responses:
+        200:
+          description: Array of users
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/UserMetadataResponse'
+        404:
+          description: No object matching filter
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+
+  /api/users/{username}:
+    get:
+      tags:
+      - backend
+      summary: Get a user with a name
+      operationId: getauser
+      parameters:
+      - name: username
+        in: path
+        description: Username of a user
+        required: true
+        schema:
+          type: string
+      responses:
+        200:
+          description: User's metadata
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/UserMetadata'
+        404:
+          description: No object matching filter
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+    delete:
+      tags:
+      - backend
+      summary: Delete a user
+      operationId: deleteuser
+      parameters:
+      - name: username
+        in: path
+        description: Username of a user
+        required: true
+        schema:
+          type: string
+      responses:
+        200:
+          description: User's metadata
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/UserMetadata'
+        404:
+          description: No object matching filter
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+
+  /api/auth/signup:
+    put:
+      tags:
+      - backend
+      summary: Creates a user
+      operationId: createuser
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/User'
+        required: true
+      responses:
+        200:
+          description: successful operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+        400:
+          description: JSON parse error
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+        417:
+          description: JSON invalid schema
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+
+  /api/auth/login:
+    post:
+      tags:
+      - backend
+      summary: Logs on a user
+      operationId: logon
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/User'
+        required: true
+      responses:
+        200:
+          description: successful operation
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+        400:
+          description: JSON parse error
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+        417:
+          description: JSON invalid schema
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+    
+  /api/objects/streamerobject:
+    put:
+      tags:
+      - backend
+      summary: Creates a streamer resource
+      operationId: createResource
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/StreamerObjectSimpleData'
+        required: true
+      responses:
+        200:
+          description: Streamer resource data
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StreamerObjectData'
+    get:
+      tags:
+      - backend
+      summary: Gets all streamer resource
+      operationId: getResource
+      responses:
+        200:
+          description: Streamer resource data
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StreamerObjectArray'
+
+
+  /api/objects/streamerobject/{id}:
+    delete:
+      tags:
+      - backend
+      summary: Creates a streamer resource
+      operationId: deleteResource
+      parameters:
+      - name: id
+        in: path
+        description: ID of a resource
+        required: true
+        schema:
+          type: string
+          format: uuid
+      responses:
+        200:
+          description: Streamer resource data
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StreamerObjectData'
+        404:
+          description: ID not found
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+    get:
+      tags:
+      - backend
+      summary: Creates a streamer resource
+      operationId: getAResource
+      parameters:
+      - name: id
+        in: path
+        description: ID of a resource
+        required: true
+        schema:
+          type: string
+          format: uuid
+      responses:
+        200:
+          description: Streamer resource data
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StreamerObjectData'
+        404:
+          description: ID not found
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+    post:
+      tags:
+      - backend
+      summary: Creates a streamer resource
+      operationId: editAResource
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/NeighbourseData'
+        required: true
+      parameters:
+      - name: id
+        in: path
+        description: ID of a resource
+        required: true
+        schema:
+          type: string
+          format: uuid
+      responses:
+        200:
+          description: Streamer resource data
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/StreamerObjectData'
+        404:
+          description: ID not found
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ApiResponse'
+
+components:
+  schemas:
+    StreamerObjectData:
+      required:
+      - type
+      - url
+      - id
+      type: object
+      properties:
+        type:
+          type: string
+          enum:
+            - ingest
+            - encoder
+            - restream
+        url:
+          type: string
+          format: url
+        id:
+          type: string
+          format: uuid
+        inputNeighbours:
+          type: array
+          items:
+            type: string
+            format: uuid
+        outputNeighbours:
+          type: array
+          items:
+            type: string
+            format: uuid
+    StreamerObjectSimpleData:
+      required:
+      - type
+      type: object
+      properties:
+        type:
+          type: string
+          enum:
+            - ingest
+            - encoder
+            - restream
+        inputNeighbours:
+          type: array
+          items:
+            type: string
+            format: uuid
+        outputNeighbours:
+          type: array
+          items:
+            type: string
+            format: uuid
+    NeighbourseData:
+      type: object
+      properties:
+        inputNeighbours:
+          type: array
+          items:
+            type: string
+            format: uuid
+        outputNeighbours:
+          type: array
+          items:
+            type: string
+            format: uuid
+    StreamerObjectArray:
+      type: array
+      items:
+        $ref: '#/components/schemas/StreamerObjectData'
+    UserMetadataResponse:
+      type: array
+      items:
+        $ref: '#/components/schemas/UserMetadata'
+    User:
+      required:
+      - name
+      - password
+      type: object
+      properties:
+        name:
+          type: string
+        password:
+          type: string
+    UserMetadata:
+      required:
+      - name
+      type: object
+      properties:
+        name:
+          type: string
+        creation_date:
+          type: string
+          format: date
+        last_logon:
+          type: string
+          format: date
+    ApiResponse:
+      required:
+      - message
+      - status
+      type: object
+      properties:
+        status:
+          type: string
+        message:
+          type: string
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