Update README. Remove manual composer install from Dockerfile, just u…

…se the repo version for simplicity.

Dockerfile

@@ -4,20 +4,17 @@ RUN apt-get update && apt-get install -y \
   ca-certificates \
   openssl \
   git \
+  unzip \
   libxml2 \
   libxml2-dev \
   libxml2-utils \
   php-cli \
   php-mysqli \
   php-pgsql \
-  php-xml
-# Download and Install Composer
-RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
-RUN php -r "if (hash_file('SHA384', 'composer-setup.php') === '55d6ead61b29c7bdee5cccfb50076874187bd9f21f65d8991d46ec5cc90518f447387fb9f76ebae1fbbacf329e583e30') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
-RUN php composer-setup.php
-RUN php -r "unlink('composer-setup.php');"
+  php-xml \
+  composer
 # Install DBSteward
-RUN php composer.phar global require nkiraly/dbsteward:dev-master
+RUN composer global require nkiraly/dbsteward:dev-master
 ENV PATH=$PATH:/root/.composer/vendor/bin
 # Pick a sane entrypoint / default command
 ENTRYPOINT ["dbsteward"]

README.md

@@ -1,2 +1,15 @@
 # docker-dbsteward
 
+Run [DBSteward](https://github.com/nkiraly/DBSteward), the SQL definition differencing tool.
+
+Dockerfile: (https://github.com/dbsteward/docker-dbsteward/blob/master/Dockerfile)
+
+Usage:
+```
+docker run -t bstoots/dbsteward
+```
+
+To mount a volume from your host:
+```
+docker run -t -v C:\Users\bstoots\path\to\dbxml:/db bstoots/dbsteward --xml=/db/db.xml
+```