Retire PHP 7.0 containers

php-lint/7.0/Dockerfile

-FROM php:7.0-alpine
-
-ARG BUILD_DATE
-ARG VCS_REF
-ARG VERSION
-LABEL org.label-schema.build-date=$BUILD_DATE \
-      org.label-schema.name="PHP 7.0 linter" \
-      org.label-schema.description="" \
-      org.label-schema.vcs-ref=$VCS_REF \
-      org.label-schema.vendor="University of Nebraska - Lincoln" \
-      org.label-schema.version=$VERSION \
-      org.label-schema.schema-version="1.0" \
-      maintainer="Alan Nelson <alan.nelson@nebraska.edu>"
-
-RUN apk add --no-cache bash
-
-COPY php-lint docker-entrypoint /usr/local/bin/
-RUN chmod 755 /usr/local/bin/docker-entrypoint /usr/local/bin/php-lint
-
-ENTRYPOINT ["docker-entrypoint"]
-CMD ["--help"]

php-unit-test/7.0/Dockerfile

-FROM php:7.0-alpine
-
-ARG BUILD_DATE
-ARG VCS_REF
-ARG VERSION
-LABEL org.label-schema.build-date=$BUILD_DATE \
-      org.label-schema.name="PHP 7.0 Unit Tester" \
-      org.label-schema.description="" \
-      org.label-schema.vcs-ref=$VCS_REF \
-      org.label-schema.vendor="University of Nebraska - Lincoln" \
-      org.label-schema.version=$VERSION \
-      org.label-schema.schema-version="1.0" \
-      maintainer="Alan Nelson <alan.nelson@nebraska.edu>"
-
-RUN apk add --no-cache bash nodejs nodejs-npm $PHPIZE_DEPS \
-    && pecl channel-update pecl.php.net \
-    && pecl install xdebug-2.9.0 \
-    && docker-php-ext-enable xdebug \
-    && apk del --no-cache $PHPIZE_DEPS
-RUN curl -o /usr/local/bin/composer https://getcomposer.org/composer.phar \
-  && chmod 755 /usr/local/bin/composer
-
-CMD ["bash"]