add Dockerfile

.gitignore

@@ -1,2 +1,3 @@
 build
 .DS_Store
+snmp-mqtt

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:1.21-alpine as builder
+
+RUN mkdir -p /go/src /go/src/snmp /go/src/config
+COPY ./snmp-mqtt.go /go/src
+COPY ./snmp/ /go/src/snmp
+COPY ./config/ /go/src/config
+COPY ./go.mod /go/src
+COPY ./go.sum /go/src
+WORKDIR /go/src
+RUN go mod tidy && go build -a -installsuffix nocgo -o snmp-mqtt github.com/dchote/snmp-mqtt
+
+
+FROM scratch
+
+ENV SNMP_MQTT_CONF ""
+
+COPY --from=builder /go/src/snmp-mqtt ./
+ENTRYPOINT ["./snmp-mqtt"]
+
+
+