Meu Dockerfile:
FROM openjdk:15-jdk-slim-buster RUN addgroup -S spring && adduser -S spring -G spring USER spring:spring ARG JAR_FILE=target/*.jar COPY ${JAR_FILE} app.jar ENTRYPOINT ["java","-jar","/app.jar"]
O erro apresentado ao rodar o comando: $ docker build -t alura/forum .
#6 [2/3] RUN addgroup -S spring && adduser -S spring -G spring
#6 sha256:9419aa1e7cdc3174e7e51c4301af0724e13ff99c42404e0d0f8548d3f9bb1547
#6 0.267 Option s is ambiguous (shell, system)
#6 0.267 adduser [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID]
#6 0.267 [--firstuid ID] [--lastuid ID] [--gecos GECOS] [--ingroup GROUP | --gid ID]
#6 0.267 [--disabled-password] [--disabled-login] [--add_extra_groups] USER
#6 0.267 Add a normal user
#6 0.267
#6 0.267 adduser --system [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID]
#6 0.267 [--gecos GECOS] [--group | --ingroup GROUP | --gid ID] [--disabled-password]
#6 0.267 [--disabled-login] [--add_extra_groups] USER
#6 0.267 Add a system user
#6 0.267
#6 0.267 adduser --group [--gid ID] GROUP
#6 0.267 addgroup [--gid ID] GROUP
#6 0.267 Add a user group
#6 0.267
#6 0.267 addgroup --system [--gid ID] GROUP
#6 0.267 Add a system group
#6 0.267
#6 0.267 adduser USER GROUP
#6 0.267 Add an existing user to an existing group
#6 0.267
#6 0.267 general options:
#6 0.267 --quiet | -q don't give process information to stdout
#6 0.267 --force-badname allow usernames which do not match the
#6 0.267 NAME_REGEX configuration variable
#6 0.267 --help | -h usage message
#6 0.267 --version | -v version number and copyright
#6 0.267 --conf | -c FILE use FILE as configuration file
#6 0.267
#6 ERROR: executor failed running [/bin/sh -c addgroup -S spring && adduser -S spring -G spring]: exit code: 1
[2/3] RUN addgroup -S spring && adduser -S spring -G spring:
executor failed running [/bin/sh -c addgroup -S spring && adduser -S spring -G spring]: exit code: 1