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app.rb
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app.rb
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# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# rubocop:disable Style/GlobalVars
# [START functions_concepts_stateless]
require "functions_framework"
# Global variable, but scoped only within one function instance.
$count = 0
FunctionsFramework.http "execution_count" do |_request|
$count += 1
# NOTE: the total function invocation count across all instances
# may not be equal to this value!
"Instance execution count: #{$count}"
end
# [END functions_concepts_stateless]
# rubocop:enable Style/GlobalVars