DockerfileWithOpentracing

ARG NGINX_VERSION=1.17.4
ARG OPENTRACING_CPP_VERSION=1.5.1

FROM nginx:${NGINX_VERSION} AS opentracing-builder
ARG OPENTRACING_CPP_VERSION

RUN set -x \
    && apt-get update \
    && apt-get install --no-install-recommends --no-install-suggests -y \
    libcurl4-openssl-dev \
    build-essential \
    cmake \
    git \
    ca-certificates \
    pkg-config \
    wget \
    libz-dev \
    automake \
    autogen \
    autoconf \
    libtool \
    libpcre3 \
    libpcre3-dev \
    && tempDir="$(mktemp -d)" \
    && chmod 777 "$tempDir" \
    && git clone https://github.com/opentracing-contrib/nginx-opentracing src \
    && cd "$tempDir" \
    && git clone -b v$OPENTRACING_CPP_VERSION https://github.com/opentracing/opentracing-cpp.git \
    && cd opentracing-cpp \
    && mkdir .build && cd .build \
    && cmake -DCMAKE_BUILD_TYPE=Release \
    -DBUILD_TESTING=OFF .. \
    && make && make install \
    && cd "$tempDir" \
    && NGINX_VERSION_BUILD=`nginx -v 2>&1` && NGINX_VERSION_BUILD=${NGINX_VERSION_BUILD#*nginx/} \
    && DEBIAN_VERSION="$(cat /etc/os-release | grep CODENAME | cut -f2 -d '=')" \
    && echo "deb-src http://nginx.org/packages/mainline/debian/ $DEBIAN_VERSION nginx" >> /etc/apt/sources.list \
    && apt-get update \
    && apt-get build-dep -y nginx=${NGINX_VERSION_BUILD} \
    && wget -O nginx-release-${NGINX_VERSION_BUILD}.tar.gz https://github.com/nginx/nginx/archive/release-${NGINX_VERSION_BUILD}.tar.gz \
    && tar zxf nginx-release-${NGINX_VERSION_BUILD}.tar.gz \
    && cd nginx-release-${NGINX_VERSION_BUILD} \
    && auto/configure \
    --with-compat \
    --add-dynamic-module=/src/opentracing \
    --with-debug \
    && make modules \
    && cp objs/ngx_http_opentracing_module.so  /ngx_http_opentracing_module.so


FROM debian:stretch-slim AS tracer-downloader
ARG JAEGER_VERSION=v0.4.2
RUN set -x \
    && apt-get update \
    && apt-get install --no-install-recommends --no-install-suggests -y ca-certificates apt-transport-https wget \
    && wget https://github.com/jaegertracing/jaeger-client-cpp/releases/download/${JAEGER_VERSION}/libjaegertracing_plugin.linux_amd64.so -O /usr/local/lib/libjaegertracing_plugin.so


# Final Image
FROM nginx:${NGINX_VERSION}
ARG OPENTRACING_CPP_VERSION

# forward nginx access and error logs to stdout and stderr of the ingress
# controller process
RUN ln -sf /proc/1/fd/1 /var/log/nginx/access.log \
    && ln -sf /proc/1/fd/1 /var/log/nginx/stream-access.log \
    && ln -sf /proc/1/fd/2 /var/log/nginx/error.log

COPY --from=opentracing-builder /ngx_http_opentracing_module.so /usr/lib/nginx/modules/ngx_http_opentracing_module.so
COPY --from=opentracing-builder /usr/local/lib/libopentracing.so.${OPENTRACING_CPP_VERSION} /usr/local/lib/libopentracing.so.1
# Edit the line below to use a different tracer
COPY --from=tracer-downloader /usr/local/lib/libjaegertracing_plugin.so /usr/local/lib/libjaegertracing_plugin.so

RUN ldconfig

RUN mkdir -p /var/lib/nginx \
    && mkdir -p /etc/nginx/secrets \
    && apt-get update \
    && apt-get install -y libcap2-bin \
    && setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx \
    && chown -R nginx:0 /etc/nginx \
    && chown -R nginx:0 /var/cache/nginx \
    && chown -R nginx:0 /var/lib/nginx \
    && apt-get remove --purge -y libcap2-bin \
    && rm /etc/nginx/conf.d/* \
    && rm -rf /var/lib/apt/lists/*

COPY nginx-ingress internal/configs/version1/nginx.ingress.tmpl internal/configs/version1/nginx.tmpl internal/configs/version2/nginx.virtualserver.tmpl /

# Uncomment the line below if you would like to add the default.pem to the image
# and use it as a certificate and key for the default server
# ADD default.pem /etc/nginx/secrets/default

USER nginx

ENTRYPOINT ["/nginx-ingress"]