adding Dockerfile

Dockerfile

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+# COmanage Registry Dockerfile
+#
+# Portions licensed to the University Corporation for Advanced Internet
+# Development, Inc. ("UCAID") under one or more contributor license agreements.
+# See the NOTICE file distributed with this work for additional information
+# regarding copyright ownership.
+#
+# UCAID licenses this file to you under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+FROM centos:centos7 AS php-build
+
+ARG PHP_VERSION=7.3.6
+ARG PHP_SRC_URL=https://github.com/php/php-src/archive/php-${PHP_VERSION}.tar.gz
+
+RUN yum -y install epel-release \
+        && yum clean all
+
+RUN yum -y update \
+        && yum -y install \
+            autoconf \
+            bison \
+            gcc \
+            httpd-devel \
+            libargon2-devel \
+            libcurl-devel \
+            libedit-devel \
+            libsodium-devel \
+            libxml2-devel \
+            libxslt-devel \
+            make \
+            mariadb-devel \
+            openldap-devel \
+            openssl-devel \
+            postgresql-devel \
+            re2c \
+            wget \
+        && yum clean all
+
+WORKDIR /usr/local/src
+
+RUN mkdir php-src \
+        && wget -O php-src.tar.gz ${PHP_SRC_URL} \
+        && tar zxf php-src.tar.gz -C php-src --strip-components=1 \
+        && rm php-src.tar.gz
+
+ENV PHP_CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
+ENV PHP_CPPFLAGS="$PHP_CFLAGS"
+ENV PHP_LDFLAGS="-Wl,-O1 -Wl,--hash-style=both -pie"
+
+RUN cd php-src \
+        && ./buildconf --force \
+        && ./configure \
+            --disable-cgi \
+            --enable-mbstring \
+            --enable-mysqlnd \
+            --with-apxs2=/usr/bin/apxs \
+            --with-config-file-path=/usr/local/etc/php \
+            --with-config-file-scan-dir=/usr/local/etc/php/conf.d \
+            --with-curl \
+            --with-ldap \
+            --with-libdir=lib64 \
+            --with-libedit \
+            --with-mysqli \
+            --with-openssl \
+            --with-password-argon2 \
+            --with-pdo-mysql \
+            --with-pdo-pgsql \
+            --with-pgsql \
+            --with-sodium \
+            --with-xsl \
+            --with-zlib \
+        && export CFLAGS="$PHP_CFLAGS" \
+        && export CPPFLAGS="$PHP_CPPFLAGS" \
+        && export LDFLAGS="$PHP_LDFLAGS" \
+        && make -j "$(nproc)" \
+        && make install 
+
+RUN rm -rf php-src \
+    && yum -y remove \
+            autoconf \
+            bison \
+            gcc \
+            httpd-devel \
+            libargon2-devel \
+            libcurl-devel \
+            libedit-devel \
+            libsodium-devel \
+            libxml2-devel \
+            libxslt-devel \
+            make \
+            mariadb-devel \
+            openldap-devel \
+            openssl-devel \
+            postgresql-devel \
+            re2c \
+            wget \
+    && yum clean all

README.md

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+<!--
+COmanage Registry Docker documentation
+
+Portions licensed to the University Corporation for Advanced Internet
+Development, Inc. ("UCAID") under one or more contributor license agreements.
+See the NOTICE file distributed with this work for additional information
+regarding copyright ownership.
+
+UCAID licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with the
+License. You may obtain a copy of the License at:
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+# COmanage Registry Internet2 TIER Base Image
+
+Intended to build a COmanage Registry for Internet2 TIER base image
+using CentOS 7 as the operating system and building PHP from source.
+
+By itself the image built from this Dockerfile does **not** provide
+COmanage Registry.
+
+The image built from this Dockerfile is used as the base
+for the Internet2 TIER image that includes COmanage Registry
+with the Shibboleth Native SP for Apache HTTP Server (Shibboleth)
+as the authentication mechanism.
+
+## Build Arguments
+
+No arguments are required for the build but the following argument
+may be provided to override the default:
+
+```
+--build-arg PHP_VERSION=<PHP version number>
+```
+
+## Building
+
+```
+docker build \
+    -t comanage-registry-internet2-tier-base:<tag> .
+```
+
+## Building Example
+
+```
+export COMANAGE_REGISTRY_I2_BASE_IMAGE_VERSION=1
+TAG="${COMANAGE_REGISTRY_I2_BASE_IMAGE_VERSION}"
+docker build \
+    -t comanage-registry-internet2-tier-base:${TAG} .
+```