Examples

Quick Start #

Node.js and NPM #

Recommended API:

$ git clone https://github.com/nervatura/nervatura-examples.git
$ cd nervatura-examples/node
$ npm install
$ npm start

Open your browser to http://localhost:8080

You do not need a Nervatura backend server to use the CLI and CGO. Automatic server start can be turned off with NT_EXAMPLE_SERVICE_DISABLED=true (see in the nervatura-examples/node/.env file).

Python and Snap or Windows Package Manager #

Recommended API:

  1. Download the Python examples

    $ git clone https://github.com/nervatura/nervatura-examples.git
$ cd nervatura-examples/python
$ pip install -r requirements.txt
$ python main.py

    Open your browser to http://localhost:8000

  2. Nervatura backend

  • Linux

    $ sudo snap install nervatura

    The CLI and CGO is ready to use. To use the gRPC and HTTP, start Nervatura service with the .env.example settings (nervatura-examples/python directory):

    $ /snap/nervatura/current/nervatura -env $(pwd)/.env.example

  • Windows:

    winget install --id Nervatura.Nervatura --source winget
    • change the value of the NT_EXAMPLE_SERVICE_PATH (nervatura-examples/python/.env.example file): “/snap/nervatura/current/nervatura” -> “C:/Program Files/Nervatura/nervatura.exe”
    • change the value of the NT_EXAMPLE_SERVICE_LIB (nervatura-examples/python/.env.example file): “/snap/nervatura/current/nervatura.so” -> “C:/ProgramData/Nervatura/nervatura.dll”

    Start the Nervatura backend server ( gRPC and HTTP examples) with the .env.example settings (nervatura-examples/python directory):

      & "C:\Program Files\Nervatura\nervatura.exe" -env .env.example

Go and Docker #

Recommended API:

  1. Download the Go examples

    $ git clone https://github.com/nervatura/nervatura-examples.git
$ cd nervatura-examples/go
$ go mod vendor
$ go run ./main.go

    Open your browser to http://localhost:7000

  2. Nervatura backend (nervatura-examples/go directory)

    $ docker run -i -t --rm --name nervatura --env-file .env.example -p 5000:5000 -p 9200:9200 -v $(pwd)/data:/data nervatura/nervatura:latest

Examples #

Create a demo database #

  • HTTP, CLI, CGO , gRPC
  • All examples require a demo database. Please run this first!

Basic password login #

Custom token (passwordless) login #

Nervatura Client custom token login #

  • HTTP, CLI, CGO , gRPC
  • Authorization Code
  • Implicit (token) Grant
  • error or logout callback

Using external API for token based authentication #

  • HTTP, gRPC
  • use of an external identification service provider (Facebook, GitHub, Google, Firebase and others)

Nervatura Client language translation #

Create an invoice #

  • HTTP, CLI, CGO , gRPC
  • creating or updating a new or existing customer, customer address and contact data
  • create a new invoice
  • create and download a PDF invoice

Nervatura Client menu shortcuts #

  • HTTP, CLI, CGO , gRPC
  • External page - GET type example
  • Email sending - POST type example

Nervatura CSV Report Example #

  • HTTP, CLI, CGO , gRPC
  • simple customer contact list example
  • input parameters