Lint

Mke `server_url` an optional field with default fallback value #33

	name: Lint

	on:
	push:
	branches:
	- main
	pull_request:

	permissions:
	contents: read

	jobs:
	go:
	name: Go
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Setup Go
	uses: actions/setup-go@v4
	with:
	# Version pinned until https://github.com/testcontainers/testcontainers-go/issues/1359
	# is resolved.
	go-version: '1.20.5'
	cache: true
	cache-dependency-path: go.sum

	- name: Install golangci-lint
	# Install golangci-lint from source instead of using
	# golangci-lint-action to ensure the golangci-lint binary is built with
	# the same Go version we're targeting.
	# Avoids incompatibility issues such as:
	# - https://github.com/golangci/golangci-lint/issues/2922
	# - https://github.com/golangci/golangci-lint/issues/2673
	# - https://github.com/golangci/golangci-lint-action/issues/442
	run: go install github.com/golangci/golangci-lint/cmd/[email protected]

	- name: Lint
	run: golangci-lint run --version --verbose --out-format=github-actions --timeout 3m0s

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