Build binaries using docker if no Golang stuff is installed.

Dockerfile

@@ -0,0 +1,8 @@
+FROM golang:1.21.6-alpine  
+
+RUN apk add --update --no-cache build-base make bash git && rm -rf /var/cache/apk/*
+RUN mkdir -p /go/src/app
+RUN git config --global --add safe.directory /go/src/app
+VOLUME /go/src/app
+WORKDIR /go/src/app
+

Makefile

@@ -205,3 +205,7 @@ version:
 		sed -i -e 's/VERSION =.*/VERSION = "'$$NEWVERSION'"/g' cmd/*/*.go pkg/checknscweb/*.go
 
 check_nsc_web: build
+
+docker:
+	docker build -t dockerbuilder .
+	docker run -it --rm -e CGO_ENABLED=1 -v $(shell pwd):/go/src/app dockerbuilder make $(target)

README.md

@@ -7,6 +7,18 @@ To be easily portable, *check_nsc_web* is written in Go.
 
 *check_nsc_web* is released under the GNU GPL v3.
 
+## Building the binaries
+
+### With docker
+
+```
+make docker
+```
+or to select a specific makefile target
+```
+make docker target=citest
+```
+
 ## Usage examples
 * Alive check
 ```