Merge pull request #104 from bcgov/bug/config-defaults

Make Keycloak config optional and update docs

app/README.md

@@ -44,7 +44,7 @@ The following variables alter the behavior of Carbone and its caching behavior.
 
 | Config Var | Env Var | Default | Notes |
 | --- | --- | --- | --- |
-| `cacheDir` | `CACHE_DIR` | `/tmp/carbone-files` | This is the root location to read/write files. Error will be thrown if directory does not exist and cannot be created. Will attempt to fall back to operating system temp file location. |
+| `cacheDir` | `CACHE_DIR` | `/var/lib/file-cache/data` | This is the root location to read/write files. Error will be thrown if directory does not exist and cannot be created. Will attempt to fall back to operating system temp file location. |
 | `cacheSize` | `CACHE_SIZE` | `2GB` | The maximum size of the `cacheDir` directory. Oldest timestamped files will be cycled out to make room for new files. Uses the [bytes](https://www.npmjs.com/package/bytes) library for parsing values. |
 | `converterFactoryTimeout` | `CONVERTER_FACTORY_TIMEOUT` | `60000` | Maximum amount of time (in milliseconds) that Carbone will use to convert files before timing out. |
 | `formFieldName` | `UPLOAD_FIELD_NAME` | `template` | Field name for multipart form data upload when uploading templates via /template api. |

app/src/components/keycloak.js

@@ -6,10 +6,10 @@ module.exports = new Keycloak({}, {
   'confidential-port': 0,
   clientId: config.has('keycloak.clientId') ? config.get('keycloak.clientId') : undefined,
   'policy-enforcer': {},
-  realm: config.get('keycloak.realm'),
+  realm: config.has('keycloak.realm') ? config.get('keycloak.realm') : undefined,
   realmPublicKey: config.has('keycloak.publicKey') ? config.get('keycloak.publicKey') : undefined,
   secret: config.has('keycloak.clientSecret') ? config.get('keycloak.clientSecret') : undefined,
-  serverUrl: config.get('keycloak.serverUrl'),
+  serverUrl: config.has('keycloak.serverUrl') ? config.get('keycloak.serverUrl') : undefined,
   'ssl-required': 'external',
   'use-resource-role-mappings': false,
   'verify-token-audience': true