FROM unit:1.31.1-jsc11
# Alternatively, you can download the base image from AWS ECR:
# FROM public.ecr.aws/nginx/unit:1.31.1-jsc11

# port used by the listener in config.json
EXPOSE 8080

# application setup
RUN mkdir /www/ && echo                                                    \
    '<%@page language="java" contentType="text/plain"%>                    \
    <%="Hello, JSP on Unit!"%>'                                            \
    > /www/index.jsp                                                       \
# prepare the app config for Unit
    && echo '{                                                             \
    "listeners": {                                                         \
        "*:8080": {                                                        \
            "pass": "applications/java_app"                                \
        }                                                                  \
    },                                                                     \
    "applications": {                                                      \
        "java_app": {                                                      \
            "type": "java",                                                \
            "webapp": "/www/"                                              \
        }                                                                  \
    }                                                                      \
    }' > /docker-entrypoint.d/config.json