Adds pg gem to resolve deploy error.

Author: evolve2k

Gemfile

@@ -12,6 +12,9 @@ gem "sprockets-rails"
 # Use sqlite3 as the database for Active Record
 gem "sqlite3", "~> 2.5.0"
 
+# Postgres database adapter.
+gem 'pg'
+
 # Use the Puma web server [https://github.com/puma/puma]
 gem "puma", ">= 5.0"
 

Gemfile.lock

@@ -266,6 +266,7 @@ GEM
     parser (3.3.8.0)
       ast (~> 2.4.1)
       racc
+    pg (1.5.9)
     postmark (1.25.1)
       json
     postmark-rails (0.22.1)
@@ -447,6 +448,7 @@ DEPENDENCIES
   faker (~> 2.2)
   jbuilder
   koalagator!
+  pg
   postmark-rails
   puma (>= 5.0)
   rails (~> 7.1.3, >= 7.1.3.2)