Add only needed dependencies

Gemfile

@@ -94,6 +94,10 @@ gem 'rqrcode', '~> 0.10.1'
 # keys in PKCS#8 format require external command openssl
 gem 'sys_cmd', '>= 1.1.3'
 
+# db-connectors (DO Sync connector)
+gem "google-cloud-bigquery-storage-v1", "~> 0.2.3"
+gem "avro", "~> 1.10.0"
+
 group :test do
   gem 'simplecov', '0.13.0', require: false
   gem 'simplecov-json'

Gemfile.lock

@@ -71,6 +71,8 @@ GEM
     argon2 (2.0.2)
       ffi (~> 1.9)
       ffi-compiler (>= 0.1)
+    avro (1.10.0)
+      multi_json (~> 1)
     aws-eventstream (1.0.3)
     aws-partitions (1.286.0)
     aws-sdk-acmpca (1.22.0)
@@ -167,6 +169,12 @@ GEM
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
+    gapic-common (0.2.1)
+      google-protobuf (~> 3.2)
+      googleapis-common-protos (>= 1.3.9, < 2.0)
+      googleapis-common-protos-types (>= 1.0.4, < 2.0)
+      googleauth (~> 0.9)
+      grpc (~> 1.25)
     gc_tracer (1.5.1)
     get_process_mem (0.2.0)
     gibbon (1.1.4)
@@ -182,6 +190,9 @@ GEM
       representable (~> 3.0)
       retriable (>= 2.0, < 4.0)
       signet (~> 0.12)
+    google-cloud-bigquery-storage-v1 (0.2.3)
+      gapic-common (~> 0.2)
+      google-cloud-errors (~> 1.0)
     google-cloud-core (1.5.0)
       google-cloud-env (~> 1.0)
       google-cloud-errors (~> 1.0)
@@ -248,7 +259,7 @@ GEM
     memoist (0.16.2)
     memory_profiler (0.9.6)
     metaclass (0.0.4)
-    method_source (0.8.2)
+    method_source (1.0.0)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
@@ -284,13 +295,13 @@ GEM
     power_assert (0.2.7)
     protected_attributes (1.1.3)
       activemodel (>= 4.0.1, < 5.0)
-    public_suffix (3.0.3)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
     pry-byebug (3.9.0)
       byebug (~> 11.0)
       pry (~> 0.13.0)
+    public_suffix (3.0.3)
     rack (1.6.13)
     rack-protection (1.5.5)
       rack
@@ -483,6 +494,7 @@ DEPENDENCIES
   activerecord-postgresql-adapter
   addressable (~> 2.5)
   analytics-ruby (~> 2.0.0)
+  avro (~> 1.10.0)
   aws-sdk-acmpca (~> 1)
   aws-sdk-s3 (~> 1)
   byebug
@@ -503,6 +515,7 @@ DEPENDENCIES
   gc_tracer (= 1.5.1)
   gibbon (= 1.1.4)
   google-api-client (= 0.34.1)
+  google-cloud-bigquery-storage-v1 (~> 0.2.3)
   google-cloud-pubsub (= 1.2.0)
   hiredis (~> 0.6.1)
   instagram-continued-continued