Use Docker entrypoint instead of CMD.

Enables using spicedb from docker directly. docker run quay.io/authzed/spicedb serve --grpc-preshared-key "somerandomkeyhere" --grpc-no-tls

Signed-off-by: mat <mat@macs-Air.lan>
Signed-off-by: terror <miguel.terron@gmail.com>

Dockerfile

@@ -19,4 +19,4 @@ FROM alpine:3.14.2
 RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf
 COPY --from=build /go/bin/grpc_health_probe /usr/local/bin/
 COPY --from=build /go/src/app/spicedb /usr/local/bin/spicedb
-CMD ["spicedb"]
+ENTRYPOINT ["spicedb"]