feat(Dockerfile): update base images and streamline package installation #18

	name: Build image
	on:
	push:
	branches:
	- develop
	- master
	jobs:
	build:
	runs-on: ubuntu-20.04
	steps:
	- name: set up golang
	uses: actions/setup-go@v2
	with:
	go-version: 1.17
	- name: check out code
	uses: actions/checkout@v2
	- name: set up docker buildx
	uses: docker/setup-buildx-action@v1
	- name: cache docker layers
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	- name: login to dockerhub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_USER }}
	password: ${{ secrets.DOCKER_PASSWORD }}
	- name: get short sha
	id: type
	run: \|
	sha=$(git rev-parse --short HEAD)
	branch=$(git rev-parse --abbrev-ref HEAD)
	echo ::set-output name=id::${sha}
	echo ::set-output name=branch::${branch}
	- name: build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	push: true
	tags: dictybase/static-server:${{ steps.type.outputs.branch }}-${{ steps.type.outputs.id }}
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache

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