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mptester

This project was generated by Flatlogic Platform.

  • Frontend: Angular

  • Design: Standart Angular App

    Frontend Folder Structure

    The generated application has the following frontend folder structure:

    src folder which contains your working files that will be used later to create the build. the src folder contains folders as:

    • app - contains the component files in which your application logic and data are defined;

    • assets - contains image and other asset files to be copied as-is when you build your application;

    • environments - contains build configuration options for particular target environments. By default, there is an unnamed standard development environment and a production ("prod") environment.

  • Backend: NoBackend

We offer 2 ways how to start the project locally: by running Frontend and Backend or with Docker.

To start the project:

Frontend:

To start the project:

Install dependencies via yarn

yarn install

Run development server

`yarn start`

To start the project with Docker:

Description:

The project contains the docker folder and the Dockerfile.

The Dockerfile is used to Deploy the project to Google Cloud.

The docker folder contains a couple of helper scripts:

  • docker-compose.yml (all our services: web, backend, db are described here)

  • start-backend.sh (starts backend, but only after the database)

  • wait-for-it.sh (imported from https://github.com/vishnubob/wait-for-it)

    To avoid breaking the application, we recommend you don't edit the following files: everything that includes the docker folder and Dokerfile.

Run services:

  1. Install docker compose (https://docs.docker.com/compose/install/)

  2. Move to docker folder. All next steps should be done from this folder.

    cd docker

  3. Make executables from wait-for-it.sh and start-backend.sh:

    chmod +x start-backend.sh && chmod +x wait-for-it.sh

  4. Download dependend projects for services.

  5. Review the docker-compose.yml file. Make sure that all services have Dockerfiles. Only db service doesn't require a Dockerfile.

  6. Make sure you have needed ports (see them in ports) available on your local machine.

  7. Start services:

    7.1. With an empty database rm -rf data && docker-compose up

    7.2. With a stored (from previus runs) database data docker-compose up

  8. Check http://localhost:3000

  9. Stop services:

    9.1. Just press Ctr+C

Most common errors:

  1. connection refused

    There could be many reasons, but the most common are:

  • The port is not open on the destination machine.

  • The port is open on the destination machine, but its backlog of pending connections is full.

  • A firewall between the client and server is blocking access (also check local firewalls).

After checking for firewalls and that the port is open, use telnet to connect to the IP/port to test connectivity. This removes any potential issues from your application.

MacOS:

If you suspect that your SSH service might be down, you can run this command to find out:

sudo service ssh status

If the command line returns a status of down, then you’ve likely found the reason behind your connectivity error.

Ubuntu:

Sometimes a connection refused error can also indicate that there is an IP address conflict on your network. You can search for possible IP conflicts by running:

arp-scan -I eth0 -l | grep <ipaddress>

arp-scan -I eth0 -l | grep <ipaddress>

and

arping <ipaddress>

  1. yarn db:create creates database with the assembled tables (on MacOS with Postgres database)

    The workaround - put the next commands to your Postgres database terminal:

    DROP SCHEMA public CASCADE;

    CREATE SCHEMA public;

    GRANT ALL ON SCHEMA public TO postgres;

    GRANT ALL ON SCHEMA public TO public;

    Afterwards, continue to start your project in the backend directory by running:

    yarn start