Docker install pages failed

I add this to docker file, and add pages to ckan.plugins in production.ini.

Installed this plugin successfully ,but I got this error when start ckan server ,ckan version is 2.9.

logs

environment
ckan          |     p.load_all()
ckan          |   File "/usr/lib/ckan/venv/src/ckan/ckan/plugins/core.py", line 140, in load_all
ckan          |     load(*plugins)
ckan          |   File "/usr/lib/ckan/venv/src/ckan/ckan/plugins/core.py", line 154, in load
ckan          |     service = _get_service(plugin)
ckan          |   File "/usr/lib/ckan/venv/src/ckan/ckan/plugins/core.py", line 257, in _get_service
ckan          |     raise PluginNotFoundException(plugin_name)
ckan          | ckan.plugins.core.PluginNotFoundException: pages

RUN pip install -e git+https://github.com/ckan/ckanext-pages.git#egg=ckanext-pages

Dockerfile

# See CKAN docs on installation from Docker Compose on usage
FROM debian:stretch
MAINTAINER Open Knowledge

# Install required system packages
RUN apt-get -q -y update \
    && DEBIAN_FRONTEND=noninteractive apt-get -q -y upgrade \
    && apt-get -q -y install \
        python-dev \
        python-pip \
        python-virtualenv \
        python-wheel \
        python3-dev \
        python3-pip \
        python3-virtualenv \
        python3-wheel \
        libpq-dev \
        libxml2-dev \
        libxslt-dev \
        libgeos-dev \
        libssl-dev \
        libffi-dev \
        postgresql-client \
        build-essential \
        git-core \
        vim \
        wget \
    && apt-get -q clean \
    && rm -rf /var/lib/apt/lists/*

# Define environment variables
ENV CKAN_HOME /usr/lib/ckan
ENV CKAN_VENV $CKAN_HOME/venv
ENV CKAN_CONFIG /etc/ckan
ENV CKAN_STORAGE_PATH=/var/lib/ckan

# Build-time variables specified by docker-compose.yml / .env
ARG CKAN_SITE_URL
ARG PYPI_URL=https://mirrors.aliyun.com/pypi/simple/
# Create ckan user
RUN useradd -r -u 900 -m -c "ckan account" -d $CKAN_HOME -s /bin/false ckan

# Setup virtual environment for CKAN
RUN mkdir -p $CKAN_VENV $CKAN_CONFIG $CKAN_STORAGE_PATH && \
    virtualenv $CKAN_VENV && \
    ln -s $CKAN_VENV/bin/pip /usr/local/bin/ckan-pip &&\
    ln -s $CKAN_VENV/bin/paster /usr/local/bin/ckan-paster &&\
    ln -s $CKAN_VENV/bin/ckan /usr/local/bin/ckan

# Setup CKAN
ADD . $CKAN_VENV/src/ckan/
RUN ckan-pip install -U pip -i $PYPI_URL  && \
    ckan-pip install --upgrade --no-cache-dir -r $CKAN_VENV/src/ckan/requirement-setuptools.txt -i $PYPI_URL  && \
    ckan-pip install --upgrade --no-cache-dir -r $CKAN_VENV/src/ckan/requirements-py2.txt -i $PYPI_URL  && \
    ckan-pip install -e $CKAN_VENV/src/ckan/  -i $PYPI_URL  && \
    ln -s $CKAN_VENV/src/ckan/ckan/config/who.ini $CKAN_CONFIG/who.ini && \
    cp -v $CKAN_VENV/src/ckan/contrib/docker/ckan-entrypoint.sh /ckan-entrypoint.sh && \
    chmod +x /ckan-entrypoint.sh && \
    chown -R ckan:ckan $CKAN_HOME $CKAN_VENV $CKAN_CONFIG $CKAN_STORAGE_PATH

RUN pip install -e git+https://github.com/ckan/ckanext-pages.git#egg=ckanext-pages

ENTRYPOINT ["/ckan-entrypoint.sh"]

USER ckan
EXPOSE 5000

CMD ["ckan","-c","/etc/ckan/production.ini", "run", "--host", "0.0.0.0"]

@amercader

ckan / ckanext-pages

Docker install pages failed #105

logs

Dockerfile