update func canary step #8

	#
	# Copyright 2022 The OpenFunction Authors.
	#
	# 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
	#
	# http://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.
	#

	name: WorkFlow for Building image

	on:
	push:
	branches:
	- 'main'
	tags:
	- 'v*'
	paths:
	- '.github/workflows/**'
	- 'apis/**'
	- 'config/bundle.yaml'
	- 'controllers/**'
	- 'pkg/**'
	- 'Dockerfile'
	- 'main.go'
	- 'Makefile'

	jobs:
	build:
	runs-on: ubuntu-latest
	timeout-minutes: 30
	name: Build Image
	steps:
	- name: Install Go
	uses: actions/setup-go@v2
	with:
	go-version: 1.18.x

	- uses: actions/cache@v2
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}

	- name: Checkout code
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Login to Docker Hub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_PASSWORD }}

	- name: Build and Push image
	run: \|
	tag=$(cat VERSION)
	docker build . -t openfunction/openfunction:$tag -f Dockerfile --build-arg GOPROXY="https://proxy.golang.org"
	docker push openfunction/openfunction:$tag

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