deps: minimize library dependencies

Makefile

@@ -1,4 +1,4 @@
-# Setup name variables for the package/tool
+		# Setup name variables for the package/tool
 PREFIX?=$(shell pwd)
 
 NAME := autocache
@@ -10,7 +10,7 @@ GO111MODULE=on
 CGO_ENABLED := 0
 # Set any default go build tags
 BUILDTAGS :=
-GOLANGCI_VERSION = v1.21.0 # .... for some reason v1.18.0 misses?
+GOLANGCI_LINT_VERSION := v1.59.1
 
 .PHONY: all
 all: clean build-deps test lint build ## Runs a clean, build, fmt, lint, test, and vet.
@@ -41,9 +41,7 @@ test: ## Runs the go tests
 .PHONY: lint
 lint: build-deps ## Verifies `golint` passes.
 	@echo "==> $@"
-	@go run github.com/golangci/golangci-lint/cmd/golangci-lint run ./...
-
-
+	@go run github.com/golangci/golangci-lint/cmd/golangci-lint@$(GOLANGCI_LINT_VERSION) run ./...
 .PHONY: cover
 cover: ## Runs go test with coverage
 	@echo "" > coverage.txt

_example/go.mod

@@ -0,0 +1,31 @@
+module example
+
+go 1.21
+
+require (
+	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8
+	github.com/pomerium/autocache v0.0.0
+	golang.org/x/crypto v0.32.0
+)
+
+require (
+	github.com/armon/go-metrics v0.4.1 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/google/btree v1.0.0 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
+	github.com/hashicorp/go-metrics v0.5.4 // indirect
+	github.com/hashicorp/go-msgpack/v2 v2.1.1 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-sockaddr v1.0.2 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/hashicorp/memberlist v0.5.3 // indirect
+	github.com/miekg/dns v1.1.35 // indirect
+	github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
+replace github.com/pomerium/autocache => ..