Issues building and running nginx-clojure using docker alpine

[Héctor Veiga]

Hi all,

I am trying to set up nginx-clojure inside a docker container using alpine. I am using the latest versions for nginx (1.13.8) and nginx-clojure (0.4.5).

To do so, I am building nginx including the nginx-clojure module in the Dockerfile. The container images gets built correctly but when I try to run it I get:

Error occurred during initialization of VM

Unable to load native library: Error loading shared library libjvm.so: No such file or directory (needed by /usr/lib/jvm/java-1.8-openjdk/jre/lib/amd64/libjava.so)

2018/01/17 17:13:07 [error] 8#8: jvm may be mad for wrong options! See hs_err_pid****.log for detail! restarted 2

2018/01/17 17:13:07 [alert] 1#1: worker process 8 exited with fatal code 2 and cannot be respawned

This to me seemed like a permissions issues, but I have checked and I can see libjvm.so with the right permissions. I am not sure what could be the issue. 

I have been through the github issues but I just saw some kernel problem ( https://github.com/nginx-clojure/nginx-clojure/issues/177 ) but alpine is using a newer version than 4.4.0-83.

I also suspect it might be because of the ldd, but I am not sure what to do there. Any idea?

Here is the Dockerfile: 

FROM openjdk:8u151-jdk-alpine3.7

RUN apk --update add pcre libbz2 ca-certificates libressl && rm /var/cache/apk/*

RUN adduser -h /etc/nginx -D -s /bin/sh nginx && mkdir /jars

WORKDIR /tmp

ENV NGINX_VERSION=1.13.8

# add compilation env, build required C based gems and cleanup

RUN apk --update add --virtual build_deps build-base zlib-dev pcre-dev libressl-dev \

    && wget -O - https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz | tar xzf - \

    && wget -O - https://github.com/nginx-clojure/nginx-clojure/archive/v0.4.5.tar.gz | tar xzf - \

    && ls -als nginx-clojure-0.4.5/ \

    && cd nginx-$NGINX_VERSION && ./configure \

       --prefix=/usr/share/nginx \

       --sbin-path=/usr/sbin/nginx \

       --conf-path=/etc/nginx/nginx.conf \

       --error-log-path=stderr \

       --http-log-path=/dev/stdout \

       --pid-path=/var/run/nginx.pid \

       --lock-path=/var/run/nginx.lock \

       --http-client-body-temp-path=/var/cache/nginx/client_temp \

       --http-proxy-temp-path=/var/cache/nginx/proxy_temp \

       --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp \

       --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp \

       --http-scgi-temp-path=/var/cache/nginx/scgi_temp \

       --user=nginx \

       --group=nginx \

       --with-http_addition_module \

       --with-http_auth_request_module \

       --with-http_gunzip_module \

       --with-http_gzip_static_module \

       --with-http_realip_module \

       --with-http_ssl_module \

       --with-http_stub_status_module \

       --with-http_sub_module \

       --with-http_v2_module \

       --with-threads \

       --with-stream \

       --with-stream_ssl_module \

       --without-http_memcached_module \

       --without-mail_pop3_module \

       --without-mail_imap_module \

       --without-mail_smtp_module \

       --with-pcre-jit \

       --with-cc-opt='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security' \

       --with-ld-opt='-Wl,-z,relro -Wl,--as-needed' \

       --add-module=../nginx-clojure-0.4.5/src/c \

    && make install \

    && cd .. && rm -rf nginx-$NGINX_VERSION \

    && mkdir /var/cache/nginx \

    && rm /etc/nginx/*.default \

    && apk del build_deps && rm /var/cache/apk/*

COPY nginx.conf /etc/nginx/

ADD conf.d /etc/nginx/conf.d

ADD nginx-dynamic-proxy-1.0-SNAPSHOT.jar /jars/nginx-dynamic-proxy-1.0-SNAPSHOT.jar

RUN chown -R nginx:nginx /jars && chmod 644 /jars/nginx-dynamic-proxy-1.0-SNAPSHOT.jar

VOLUME ["/var/cache/nginx"]

EXPOSE 80 443

CMD ["nginx", "-g", "daemon off;"]

Here is nginx.conf:

worker_processes  1;

events {

    worker_connections  1024;

}

user root;

http {

    include       mime.types;

    default_type  application/octet-stream;

    sendfile        on;

    keepalive_timeout  65;

    #gzip  on;

    jvm_path "/usr/lib/jvm/java-1.8-openjdk/jre/lib/amd64/server/libjvm.so";

    jvm_classpath "/jars/*";

    jvm_options "-Xdebug";

    #jvm_handler_type 'java';

    #jvm_init_handler_name 'com.nap.nginx.NginxInitializationHandler';

    #jvm_exit_handler_name 'com.nap.nginx.NginxExitHandler';

    server {

        listen       8080;

        location / {

            set $endpoint "";

            rewrite_handler_type 'java';

            rewrite_handler_name 'some.package.NginxHandlers.DynamicProxyPassHandler';

            proxy_pass http://$endpoint;

        }

    }

}

And there is the docker command I use to run this:

docker run -p 8080:8080 -v "$(pwd)/nginx_java.conf:/etc/nginx/nginx.conf" c5761456cd6c

Any help would be appreciated. Thanks.