new env variable: PUBLIC_DIR

Author: d-beltran

README.md

@@ -54,6 +54,9 @@ Note that the API processes must be stopped and run again for new code to be eff
 | DB_AUTH_PASSWORD | string                        | db password               |
 | DB_AUTHSOURCE    | string                        | authentication db         |
 | LISTEN_PORT      | number                        | port to query the API     |
+| HOST             | string                        | forced hostname           |
+| PUBLIC_DIR       | string                        | path to public directory  |
+
 
 ### config.yml file
 

src/server/index.js

@@ -64,6 +64,12 @@ app.use(paginate.middleware(DEFAULT_LIMIT, MAX_LIMIT));
 // Parse POST request bodies
 app.use(express.json());
 
+// Set a directory for public files, if required
+const PUBLIC_DIR = process.env.PUBLIC_DIR;
+console.log(PUBLIC_DIR);
+if (PUBLIC_DIR)
+  app.use('/public', express.static(PUBLIC_DIR));
+
 // Root routes
 app.get('/', (_, res) => res.json({ 'api types': ['rest'] }));
 app.get('/rest', (_, res) =>