Add Containerfile

Containerfile

@@ -0,0 +1,18 @@
+FROM docker.io/golang:alpine AS builder
+
+WORKDIR /usr/local/src/exporter
+COPY --chown=nobody:nogroup . .
+RUN apk --no-cache add --update make && make build
+
+FROM docker.io/alpine:latest
+
+RUN addgroup -S icinga_exporter && \
+  adduser -S icinga_exporter -G icinga_exporter && \
+  apk --no-cache add --update ca-certificates
+
+COPY --from=builder /usr/local/src/exporter/dist/icinga2-exporter /usr/sbin/icinga2-exporter
+
+USER icinga_exporter
+ENTRYPOINT ["/usr/sbin/icinga2-exporter"]
+
+EXPOSE 9665

Makefile

@@ -2,7 +2,7 @@
 
 COMMIT := $(shell git rev-parse HEAD)
 VERSION?=latest
-DATE := $(shell date --iso-8601)
+DATE := $(shell date -I)
 
 GOARCH?=amd64
 GOOS?=linux
@@ -20,5 +20,7 @@ test:
 coverage:
 	go test -v -cover -coverprofile=coverage.out ./... &&\
 	go tool cover -html=coverage.out -o coverage.html
+container:
+	podman build -t icinga-exporter:latest .
 clean:
 	rm -f dist/*

README.md

@@ -46,3 +46,12 @@ The tables below list all existing collectors.
 | Collector     | Flag       |
 | ------------- | ---------- |
 | APIListener   | `-collector.apilistener` |
+
+# Development
+
+Running tests:
+
+```
+make test
+make coverage
+```