Add dockerfile

Dockerfile

@@ -0,0 +1,12 @@
+ARG ARCH="amd64"
+ARG OS="linux"
+FROM quay.io/prometheus/busybox:latest
+LABEL maintainer="Jacob Colvin (MacroPower) <me@jacobcolvin.com>"
+
+ARG ARCH="amd64"
+ARG OS="linux"
+COPY .build/${OS}-${ARCH}/wakatime_exporter /bin/wakatime_exporter
+
+USER nobody
+ENTRYPOINT ["/bin/wakatime_exporter"]
+EXPOSE 9212

README.md

@@ -4,6 +4,8 @@ Prometheus exporter for Wakatime statistics.
 
 You can get your Wakatime API key by visiting https://wakatime.com/api-key
 
+## Usage
+
 ```text
 usage: wakatime_exporter --wakatime.api-key=WAKATIME.API-KEY [<flags>]
 
@@ -25,3 +27,9 @@ Flags:
       --version              Show application version.
 
 ```
+
+## Docker
+
+```shell
+docker run -p 9212:9212 macropower/wakatime-exporter:0.0.1 --wakatime.api-key="YOUR_API_KEY"
+```