feat: backport remote BTC node support

migrations/1665418064066-set-node-env.js

@@ -0,0 +1,19 @@
+const fs = require('fs')
+const path = require('path')
+
+const migrateEnv = require('../tools/migrate-env')
+
+exports.up = function (next) {
+  try {
+    // NODE_ENV defaults to undefined on some environments, best to check the existence of the production environment file
+    migrateEnv([
+      ['NODE_ENV', fs.existsSync(path.resolve('/etc', 'lamassu', '.env')) ? 'production' : 'development']
+    ])
+  } finally {
+    next()
+  }
+}
+
+exports.down = function (next) {
+  next()
+}