Merge pull request #72 from BEEG3R/OptionalPortVariable

Allow express server port to be set from environment variable

Dockerfile

@@ -15,8 +15,6 @@ RUN \
   cd /app && \
   npm ci
 
-EXPOSE 8000
-
 RUN chmod +x entrypoint.sh
 
 ENTRYPOINT ["./entrypoint.sh"]

README.md

@@ -33,7 +33,8 @@ The recommended way of running is to pull the image from [Docker Hub](https://hu
 | PROXY_SEGMENTS | Proxy keyed `*.ts` files. | No | False |
 | PUID | Current user ID. Use if you have permission issues. Needs to be combined with PGID. | No ||
 | PGID | Current group ID. Use if you have permission issues. Needs to be combined with PUID. | No ||
-| MAX_RESOLUTION | Max resolution to use. Valid options are `UHD/HDR`, `UHD/SDR`, `1080p`, `720p`, and `540p` (Some providers don't offer 4K or 1080p and will attempt to play the highest framerate available for selected resolution). | No | UHD/SDR |
+| MAX_RESOLUTION | Max resolution to use. Valid options are `UHD/HDR`, `UHD/SDR`, `1080p`, `720p`, and `540p` (Some providers don't offer 4K or 1080p and will attempt to play the highest framerate available for selected resolution). | No | UHD/SDR ||
+| PORT | Port the API will be served on. You can set this if it conflicts with another service in your environment. | No | 8000 |
 
 ### Available channel options
 

index.ts

@@ -11,6 +11,7 @@ import {foxHandler} from './services/fox-handler';
 import {mlbHandler} from './services/mlb-handler';
 import {cleanEntries, removeChannelStatus} from './services/shared-helpers';
 import {appStatus} from './services/app-status';
+import {SERVER_PORT} from './services/port';
 
 import {version} from './package.json';
 
@@ -199,7 +200,7 @@ process.on('SIGINT', shutDown);
   await schedule();
 
   console.log('=== Starting Server ===');
-  app.listen(8000, () => console.log('Server started on port 8000'));
+  app.listen(SERVER_PORT, () => console.log(`Server started on port ${SERVER_PORT}`));
 })();
 
 // Check for events every 4 hours and set the schedule

services/port.ts

@@ -0,0 +1,8 @@
+import _ from 'lodash';
+
+let serverPort = _.toNumber(process.env.PORT);
+if (_.isNaN(serverPort)) {
+  serverPort = 8000;
+}
+
+export const SERVER_PORT = serverPort;