Add tern migrator #94

	name: golang
	on:
	push:
	branches:
	- main
	pull_request:
	jobs:
	test:
	services:
	postgres:
	image: postgis/postgis:15-master
	env:
	POSTGRES_PASSWORD: password
	# TODO: unable to turn off fsync easily, see
	# https://github.com/orgs/community/discussions/26688#discussioncomment-3252882
	# and
	# https://github.com/actions/runner/discussions/1872
	ports:
	- 5433:5432
	# Use a temporary directory for data by passing --mount to the `docker`
	# command; could also attempt to use the volumes: github serrvice
	# option.
	options: >-
	--mount type=tmpfs,destination=/var/lib/postgresql/data
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: setup-go
	uses: actions/setup-go@v3
	with:
	go-version: 1.19
	cache: true
	cache-dependency-path: go.sum
	- name: install atlas CLI
	run: curl -sSf https://atlasgo.sh \| sh
	- name: test all
	run: go test github.com/peterldowns/pgtestdb/...
	- name: test all -race
	run: go test -race github.com/peterldowns/pgtestdb/...
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: setup-go
	uses: actions/setup-go@v3
	with:
	go-version: 1.19
	cache: true
	cache-dependency-path: go.sum
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: v1.52.2
	- name: go mod tidy
	run: go mod tidy
	- name: check for any changes
	run: \|
	[[ $(git status --porcelain) == "" ]] \|\| (echo "changes detected" && exit 1)

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