docs: add docker examples

Dockerfile

@@ -0,0 +1,25 @@
+# syntax=docker/dockerfile:1
+
+FROM golang:1.23 AS BUILD
+WORKDIR /app
+
+# Download Go modules
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the source code. Note the slash at the end, as explained in
+# https://docs.docker.com/reference/dockerfile/#copy
+COPY *.go ./
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -o /turbostat-exporter
+
+FROM debian:12.7-slim
+
+RUN <<EOF
+    apt update
+    apt install -y linux-cpupower 
+    rm -rf /var/lib/apt/lists/*
+EOF
+
+COPY --from=BUILD /turbostat-exporter /usr/bin/turbostat-exporter

docker-compose.yml

@@ -0,0 +1,8 @@
+version: "3.8"
+services:
+  tub:
+    image: test:test
+    privileged: true
+    environment: []
+    volumes:
+      - /dev:/dev