Add ci-coverage make target to build coverage in a container

.dockerignore

@@ -0,0 +1,3 @@
+coverage
+.git
+.idea

.gitignore

@@ -1 +1,2 @@
-coverage/
+/coverage
+/.idea

Dockerfile

@@ -0,0 +1,4 @@
+FROM golang:1.17.1
+
+ADD . /app
+WORKDIR /app

Makefile

@@ -1,10 +1,15 @@
-SHELL = bash
+SHELL := /bin/bash
 
 .PHONY: coverage
 
 test:
 	go test ./...
 
+ci-coverage:
+	[[ -d coverage ]] || mkdir coverage
+	podman build --tag tmpl-coverage .
+	podman run --interactive --tty --rm  --volume $$(pwd)/coverage:/app/coverage tmpl-coverage make coverage
+
 coverage:
 	[[ -d coverage ]] || mkdir coverage
 	go test -coverpkg=./... -coverprofile=coverage/index.out  ./...