Make the port a command-line configuration option. Closes #7

README.md

@@ -13,6 +13,16 @@ For more information, please see the [Indienet project planning documentation at
 1. `npm install`
 2. `npm run dev`
 
+To specify a port (e.g., two run two separate instances when testing federation), use:
+
+`npm run dev -- --port 7999`
+
+## Production
+
+Not ready for production use.
+
+(In production, the port is set either via the PORT environment variable or will fall back to the value in the _config/production.json_ from the Feathers configuration.)
+
 ## Configuration
 
 The site configuration is currently in the _assets/_ directory. This will change shortly to a location that can be easily included during deployment and one that isn’t checked into source control.

package-lock.json

@@ -12983,6 +12983,14 @@
             "lodash": "4.17.4"
           }
         },
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "requires": {
+            "number-is-nan": "1.0.1"
+          }
+        },
         "json5": {
           "version": "0.5.1",
           "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
@@ -12993,6 +13001,14 @@
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
           "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
         },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "requires": {
+            "ansi-regex": "2.1.1"
+          }
+        },
         "supports-color": {
           "version": "4.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
@@ -13033,6 +13049,70 @@
             "uglify-js": "2.8.29",
             "webpack-sources": "1.1.0"
           }
+        },
+        "yargs": {
+          "version": "8.0.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-8.0.2.tgz",
+          "integrity": "sha1-YpmpBVsc78lp/355wdkY3Osiw2A=",
+          "requires": {
+            "camelcase": "4.1.0",
+            "cliui": "3.2.0",
+            "decamelize": "1.2.0",
+            "get-caller-file": "1.0.2",
+            "os-locale": "2.1.0",
+            "read-pkg-up": "2.0.0",
+            "require-directory": "2.1.1",
+            "require-main-filename": "1.0.1",
+            "set-blocking": "2.0.0",
+            "string-width": "2.1.1",
+            "which-module": "2.0.0",
+            "y18n": "3.2.1",
+            "yargs-parser": "7.0.0"
+          },
+          "dependencies": {
+            "camelcase": {
+              "version": "4.1.0",
+              "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+              "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
+            },
+            "cliui": {
+              "version": "3.2.0",
+              "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
+              "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+              "requires": {
+                "string-width": "1.0.2",
+                "strip-ansi": "3.0.1",
+                "wrap-ansi": "2.1.0"
+              },
+              "dependencies": {
+                "string-width": {
+                  "version": "1.0.2",
+                  "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+                  "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+                  "requires": {
+                    "code-point-at": "1.1.0",
+                    "is-fullwidth-code-point": "1.0.0",
+                    "strip-ansi": "3.0.1"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "yargs-parser": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-7.0.0.tgz",
+          "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
+          "requires": {
+            "camelcase": "4.1.0"
+          },
+          "dependencies": {
+            "camelcase": {
+              "version": "4.1.0",
+              "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+              "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
+            }
+          }
         }
       }
     },
@@ -13308,74 +13388,48 @@
       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
     },
     "yargs": {
-      "version": "8.0.2",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-8.0.2.tgz",
-      "integrity": "sha1-YpmpBVsc78lp/355wdkY3Osiw2A=",
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-11.0.0.tgz",
+      "integrity": "sha512-Rjp+lMYQOWtgqojx1dEWorjCofi1YN7AoFvYV7b1gx/7dAAeuI4kN5SZiEvr0ZmsZTOpDRcCqrpI10L31tFkBw==",
       "requires": {
-        "camelcase": "4.1.0",
-        "cliui": "3.2.0",
+        "cliui": "4.0.0",
         "decamelize": "1.2.0",
+        "find-up": "2.1.0",
         "get-caller-file": "1.0.2",
         "os-locale": "2.1.0",
-        "read-pkg-up": "2.0.0",
         "require-directory": "2.1.1",
         "require-main-filename": "1.0.1",
         "set-blocking": "2.0.0",
         "string-width": "2.1.1",
         "which-module": "2.0.0",
         "y18n": "3.2.1",
-        "yargs-parser": "7.0.0"
+        "yargs-parser": "9.0.2"
       },
       "dependencies": {
-        "camelcase": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
-        },
         "cliui": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-          "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.0.0.tgz",
+          "integrity": "sha512-nY3W5Gu2racvdDk//ELReY+dHjb9PlIcVDFXP72nVIhq2Gy3LuVXYwJoPVudwQnv1shtohpgkdCKT2YaKY0CKw==",
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
+            "string-width": "2.1.1",
+            "strip-ansi": "4.0.0",
             "wrap-ansi": "2.1.0"
-          },
-          "dependencies": {
-            "string-width": {
-              "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-              "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-              "requires": {
-                "code-point-at": "1.1.0",
-                "is-fullwidth-code-point": "1.0.0",
-                "strip-ansi": "3.0.1"
-              }
-            }
-          }
-        },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-          "requires": {
-            "number-is-nan": "1.0.1"
           }
         },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+        "find-up": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
           "requires": {
-            "ansi-regex": "2.1.1"
+            "locate-path": "2.0.0"
           }
         }
       }
     },
     "yargs-parser": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-7.0.0.tgz",
-      "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
+      "version": "9.0.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
+      "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
       "requires": {
         "camelcase": "4.1.0"
       },

package.json

@@ -43,7 +43,8 @@
     "nuxt": "^1.3.0",
     "serve-favicon": "^2.4.5",
     "winston": "^2.4.0",
-    "ws": "^4.0.0"
+    "ws": "^4.0.0",
+    "yargs": "^11.0.0"
   },
   "devDependencies": {
     "eslint": "^4.18.0",

server/index.js

 /* eslint-disable no-console */
 const logger = require('winston')
 const app = require('./app')
-const port = app.get('port')
+const portFromConfiguration = app.get('port')
+
+const { argv } = require('yargs')
+
+// Set the port:
+//
+// 1. Via commandline override (--port) if present
+// 2. Via environment variable if present
+// 3. Via the Feathers configuration file (fallback)
+const port = argv.port || process.env.PORT || portFromConfiguration
 
 process.on('unhandledRejection', (reason, p) =>
   logger.error('Unhandled Rejection at: Promise ', p, reason)