Update Dockerfile and example Dockerfile

Done to show non-root usage and more inbuilt utilities

Dockerfile

@@ -22,4 +22,7 @@ RUN pip install -e .
 # Copy scripts
 COPY ./scripts /app/scripts
 
+# Allow all users to execute minitor and scripts
+RUN chmod -R 755 /app
+
 ENTRYPOINT [ "python3", "-m", "minitor.main" ]

examples/docker-checks/Dockerfile

@@ -1,3 +1,7 @@
-FROM minitor-dev
+FROM minitor-dev-linux-amd64
 
-RUN apt-get update && apt-get install -y jq curl && apt-get clean
+RUN apk add bash jq curl
+
+RUN addgroup -S minitor && adduser -S minitor -G minitor
+
+USER minitor