Simple news server

News server for metalamp internship.

Setting up and running

1. Download and install stack as described here.
2. Clone this repository as described here or with git clone https://github.com/alleksandrgall/MynewsServer command if you have git installed.
3. stack setup for downloading compiler, stack build for building app and downloading dependencies.
4. Make a .cfg file, or use the template MynewsServer/config/config_template.cfg (there you can also find what can be configured).
5. Setup your local PostgreSQL database and copy a connection string to your config file.
6. Provide a folder where images will be stored and put it's path to the config file.
7. Populate server database by typing stack run -- %YOUR_CONFIG_PATH% --migrate.
8. Run the server by typing stack run %YOUR_CONFIG_PATH%

Project structer

• app/Main - Parses command arguments and runs server logic with production handlers.
• curl - Curl request for testing the server
• src/Handlers - Basic logic for the server, intoduces App monad, DB scheme and logger.
  • src/Handlers/App - App monad (a wrapper over Servant Handler monad with access to DB, Logger, Image managment etc.
  • src/Handlers/DB - DB scheme, DB handler (how to run Persistent eDSL), inital migration logic
  • src/Handlers/Image - Logic of saving, deleting and getting an image from a local storage safely.
  • src/Handlers/Katip - Wrapper around Katip environment used to implement KatipMiddleware for logging raw requests.
• src/Config.hs - Parser for Configurator's config.
• src/App/Prod.hs - App implementation depending on Configurator's config.
• src/DB/Postgres.hs - DB implementation for PostgreSQL database.
• src/Image/File.hs - Image storage implementation for storing images in file system.
• src/Api - Server API implemented in Servant
• test - Tests for application