quick fix on image/user pair for images (#961)

## Type of change

- [x] 🐛 Bugfix

## Test Plan

- [x] 💪 Manual

build/Dockerfile

@@ -3,7 +3,7 @@
 # This dockerfile is configured to be run by the /corso/build/build-container.sh
 # script.  Using docker to build this file directly will fail.
 
-FROM alpine:3.16
+FROM ubuntu:latest
 
 WORKDIR /
 
@@ -11,6 +11,6 @@ ARG TARGETOS
 ARG TARGETARCH
 COPY ./bin/${TARGETOS}-${TARGETARCH}/corso ./
 
-USER nonroot:nonroot
+USER nobody
 
 ENTRYPOINT ["/corso"]

docker/Dockerfile

@@ -20,10 +20,10 @@ ARG TARGETARCH
 RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /corso .
 
 ## Deploy
-FROM alpine:3.16
+FROM ubuntu:latest
 
 COPY --from=build /corso /
 
-USER nonroot:nonroot
+USER nobody
 
 ENTRYPOINT ["/corso"]