adding user docker to Dockerfile for http-content-checker
FROM golang:1.13 AS builder
-RUN groupadd -g 777 appuser && \
- useradd -r -u 777 -g appuser appuser
-USER appuser
+RUN groupadd -g 61000 docker
+RUN useradd -g 61000 -l -m -s /bin/false -u 61000 docker
+USER docker
COPY . /build
WORKDIR /build/cmd/http-content-check
ENV CGO_ENABLED=0
