[#7] Add docker-compose.yml, update readme

README.md

@@ -3,21 +3,23 @@
 [![Join the #publiccode channel](https://img.shields.io/badge/Slack%20channel-%23publiccode-blue.svg?logo=slack)](https://developersitalia.slack.com/messages/CAM3F785T)
 [![Get invited](https://slack.developers.italia.it/badge.svg)](https://slack.developers.italia.it/)
 
-This is a Go web interface validator for [publiccode.yml](https://github.com/italia/publiccode.yml) files, it uses [publiccode-parser-go](https://github.com/italia/publiccode-parser-go).
+This is a Go, web interface validator for [publiccode.yml](https://github.com/italia/publiccode.yml) files, using [publiccode-parser-go](https://github.com/italia/publiccode-parser-go).
 
 publiccode.yml is an international standard for describing public software. It is expected to be published in the root of open source repositories. This parser performs syntactic and semantic validation according to the official spec.
 
 ## Features
+
 See related project for details: [publiccode-parser-go](https://github.com/italia/publiccode-parser-go)
 
 
 ## Validation from command line
 
-This repository also contains an executable tool which can be used for validating a publiccode.yml file locally.
+The repository also contains a tool used to validate publiccode.yml files locally.
+
+```bash
+go run src/main.go
 
-```sh
-$ go run src/main.go
-$ curl -XPOST localhost:5000/pc/validate -d '{
+curl -XPOST localhost:5000/pc/validate -d '{
   "localisation": {
     "localisationReady": false
   },
@@ -31,11 +33,24 @@ $ curl -XPOST localhost:5000/pc/validate -d '{
 ```
 ## Docker support
 
-This project can be packaged and executed using Docker as follow:
+The repository has a *Dockerfile*, used to also build the production image, and a *docker-compose.yml* file to facilitate the local deployment.
+
+To build the container, run:
+
+```shell
+docker-compose up [-d] [--build]
+```
+
+where:
+
+* *-d* execute the containers in background
+
+* *--build* forces the containers build
+
+To destroy the container, use:
 
-```sh
-$ docker build -t pc-web-validator .
-$ docker run -p5000:5000 --name pc-web-validator -it --rm pc-web-validator
+```shell
+docker-compose down
 ```
 
 
@@ -56,7 +71,7 @@ This software is maintained by the [Developers Italia](https://developers.italia
 
 ## License
 
-© 2018-2019 Team per la Trasformazione Digitale - Presidenza del Consiglio dei Minstri
+© 2018-2020 Team per la Trasformazione Digitale - Presidenza del Consiglio dei Minstri
 
 Licensed under the EUPL.
 The version control system provides attribution for specific lines of code.

docker-compose.yml

@@ -0,0 +1,12 @@
+version: '3.3'
+
+services:
+
+  devita_publiccode_validator:
+    image: italia/publiccode-validator
+    container_name: devita_publiccode_validator
+    build:
+      context: ./
+      dockerfile: Dockerfile
+    ports:
+      - "5000:5000"