prepare Dockerfile

Author: lauripiispanen

Dockerfile

@@ -0,0 +1,16 @@
+FROM alpine:latest AS ca-certs
+RUN apk add -U --no-cache ca-certificates
+
+FROM golang:1.17 AS go-builder
+
+WORKDIR /go/src/main
+COPY . .
+
+RUN go get -d -v .
+RUN CGO_ENABLED=0 go install -v .
+
+FROM scratch
+COPY --from=go-builder /go/bin/most-active-github-users-counter /go/bin/most-active-github-users-counter
+COPY --from=ca-certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+
+ENTRYPOINT ["/go/bin/most-active-github-users-counter"]

main.go

@@ -25,7 +25,7 @@ var locations arrayFlags
 var excludeLocations arrayFlags
 
 func main() {
-	token := flag.String("token", "", "Github auth token")
+	token := flag.String("token", LookupEnvOrString("GITHUB_TOKEN", ""), "Github auth token")
 	amount := flag.Int("amount", 256, "Amount of users to show")
 	considerNum := flag.Int("consider", 1000, "Amount of users to consider")
 	outputOpt := flag.String("output", "plain", "Output format: plain, csv")
@@ -78,3 +78,10 @@ func main() {
 	}
 	writer.Flush()
 }
+
+func LookupEnvOrString(key string, defaultVal string) string {
+	if val, ok := os.LookupEnv(key); ok {
+		return val
+	}
+	return defaultVal
+}