Added dockerfile

Dockerfile

@@ -0,0 +1,38 @@
+## Build
+FROM golang:1.19-buster AS build
+
+WORKDIR /app
+
+COPY go.mod ./
+COPY go.sum ./
+RUN go mod download
+
+COPY *.go ./
+COPY app/*.go ./app/
+COPY config/*.go ./config/
+COPY routes/*.go ./routes/
+COPY services/*.go ./services/
+
+RUN go build -o /basic-sensor-receiver
+RUN mkdir /data
+
+## Deploy
+FROM gcr.io/distroless/base-debian10
+
+WORKDIR /
+
+COPY --from=build /basic-sensor-receiver /basic-sensor-receiver
+COPY --from=build /data /data
+COPY client ./client
+
+ENV PORT 80
+ENV GIN_MODE release
+ENV DATABASE_URL /data/sensors.sqlite3
+ENV BIND_IP 0.0.0.0
+ENV AUTH_USERNAME admin
+ENV AUTH_PASSWORD password
+
+EXPOSE ${PORT}
+VOLUME [ "/data" ]
+
+ENTRYPOINT ["/basic-sensor-receiver"]