Added a dockerfile

Dockerfile

@@ -0,0 +1,45 @@
+from debian as build-rtl_433
+RUN apt-get update && apt-get upgrade -y 
+RUN apt-get install -y libtool libusb-1.0.0-dev librtlsdr-dev rtl-sdr build-essential autoconf cmake pkg-config git && apt-get clean
+RUN git clone https://github.com/merbanan/rtl_433.git
+WORKDIR /rtl_433
+RUN mkdir -p build
+WORKDIR /rtl_433/build
+RUN cmake -DCMAKE_INSTALL_PREFIX=/rtl_433/install ../
+RUN make -j $(nproc) install
+
+from debian as build-logger
+
+RUN apt-get update && apt-get upgrade -y
+
+#############################
+
+from debian as build-log
+RUN apt-get update && apt-get upgrade -y && apt-get clean
+RUN apt-get install -y golang git
+RUN mkdir -p /go/src/log-temperature
+ADD log.go /go/src/log-temperature
+WORKDIR /go/src/log-temperature
+ENV GOPATH /go
+ENV GOBIN /go/bin
+RUN go get
+RUN go install
+
+##############################
+from debian as main
+RUN apt-get update && apt-get upgrade -y 
+RUN apt-get install -y librtlsdr0 && apt-get clean
+COPY --from=build-rtl_433 /rtl_433/install/bin/rtl_433 /usr/bin
+COPY --from=build-log /go/bin/log-temperature /usr/bin
+
+ENV DB temperature
+ENV USER ""
+ENV PASSWORD ""
+ENV HOST http://localhost:8086
+ENV RTL_ARGS ""
+
+CMD rtl_433 $RTL_ARGS | log-temperature -host $HOST -db $DB -password $PASSWORD -user $USER
+
+##############################
+
+

log.go

@@ -50,7 +50,7 @@ func main() {
 			if strings.Compare(fields[0], "temperature:") == 0 {
 				temp, _ := strconv.ParseFloat(fields[1], 64)
 				unit := fields[2]
-				if strings.Compare(unit, "c") == 0 {
+				if strings.Compare(unit, "f") == 0 {
 					temp = (temp - 32) * (5.0 / 9.0)
 				}
 				fmt.Println("temp is " + strconv.FormatFloat(temp, 'f', 6, 64))
@@ -71,7 +71,7 @@ func logTemp(temp float64, client influx.Client) {
 		fmt.Println(err)
 		return
 	}
-	tags := map[string]string{"temperature": "conference-room"}
+	tags := map[string]string{"location": "conference-room"}
 	fields := map[string]interface{}{
 		"temperature": temp,
 	}