Don't use pg pool, too flaky for now

historico/funko.cr

@@ -11,11 +11,6 @@ DBHOST = File.read("/secrets/dbhost").strip
 DBURL = "postgres://#{USER}:#{PASS}@#{DBHOST}:5432/nombres"
 puts "Connnecting to #{DBURL}"
 
-# Create a connection pool to the database
-pg = ConnectionPool.new(capacity: 25, timeout: 1.seconds) do
-  PG.connect(DBURL)
-end
-
 # Connect to the database and get information about
 # the requested names
 get "/" do |env|
@@ -31,7 +26,7 @@ get "/" do |env|
     results << [anio.to_s]
   end
   # Connect using credentials provided
-  pg.connection do |cursor|
+  db = DB.open DBURL
     # Get the information for each name
     names.map do |name|
       # Normalize: remove diacritics etc.
@@ -41,7 +36,7 @@ get "/" do |env|
       }.join("").downcase
 
       counter_per_year = {} of Int32 => Int32
-      cursor.query("
+      db.query("
       SELECT anio::integer, contador::integer
         FROM nombres WHERE nombre = $1", name) do |result_set|
         result_set.each do
@@ -52,15 +47,15 @@ get "/" do |env|
         results[anio - 1921] << counter_per_year.fetch(anio, 0).to_s
       end
     end
-  end
   results.to_json
+ensure
+  db.try &.close
 end
 
-# The `/ping/` endpoint is configured in the container as a healthcheck
-# You can make it better by checking that your database is responding
-# or whatever checks you think are important
-#
 get "/ping/" do
-  pg.connection.exec("SELECT 42")
+  db = DB.open DBURL
+  db.exec("SELECT 42")
   "OK"
+ensure
+  db.try &.close
 end