add: add phase configs

.env.example

@@ -9,6 +9,10 @@ MNEMONIC=choice congress hobby buddy dutch busy army eager empty solution start
 INFURA_API=
 NETWORK=production
 LOG_LEVEL=trace
+# App release/phase version
+RELEASE_PHASE=
+PHASE_ZERO=
+PHASE_ONE=
 PLIVO_AUTH_ID=MADSFJASDF2341ASDF0G
 PLIVO_AUTH_TOKEN=YWRiMl2nomwsdfoQeTBadk9290dkmEAVB13zg5G5
 PLIVO_PHONE_NUMBER=1555555555

src/server/server.config.js

@@ -24,6 +24,12 @@ const conf = convict({
     default: version,
     env: 'VERSION'
   },
+  phase: {
+    doc: 'The application release/phase version',
+    format: Number,
+    default: -1,
+    env: 'RELEASE_PHASE'
+  },
   logLevel: {
     doc: 'Log level',
     format: ['error', 'warn', 'info', 'debug', 'silent'],
@@ -511,6 +517,18 @@ const mainNetworkId = get(ContractsAddress, `${network}-mainnet.networkId`, netw
 conf.set('ethereumMainnet', networks[mainNetworkId])
 conf.set('ethereum', networks[networkId])
 
+// phase options - compatibility with old phase env vars (PHASE_ZERO, PHASE_ONE)
+const phase = conf.get('phase')
+
+if (phase < 0) {
+  const detectPhase = 'true' === process.env.PHASE_ONE ? 1 : 0
+
+  conf.set('phase', detectPhase)
+  conf.set('isPhaseZero', 0 === detectPhase)
+  conf.set('isPhaseOne', 1 === detectPhase)
+  conf.set('isPhaseTwo', 2 === detectPhase)
+}
+
 // GUN S3 options
 const privateS3 = process.env.GUN_PRIVATE_S3
 const publicS3 = process.env.GUN_PUBLIC_S3