add oracle support to adminer

docker-compose-with-oracle.override.yml

+version: '3.4'
+
+services:
+  adminer:
+    build:
+      dockerfile: Dockerfile-with-oracle

src/Dockerfile-with-oracle

+from adminer:4.7.2
+USER root:root
+#COPY files/instantclient-basic-linux.x64-12.1.0.2.0.zip /tmp/
+#COPY files/instantclient-sdk-linux.x64-12.1.0.2.0.zip /tmp/
+
+RUN cd /tmp \
+   && wget -O instantclient-basic-linux.zip https://cloud.uzi.uni-halle.de/owncloud/index.php/s/8BFRk5ohR4uXcZh/download \
+   && wget -O instantclient-sdk-linux.zip https://cloud.uzi.uni-halle.de/owncloud/index.php/s/e9qYPyOoTu0sc0C/download
+
+# Install Oracle Instantclient
+RUN mkdir /opt/oracle \
+    && cd /opt/oracle \
+    && unzip /tmp/instantclient-basic-linux.zip -d /opt/oracle \
+    && unzip /tmp/instantclient-sdk-linux.zip -d /opt/oracle \
+    && ln -s /opt/oracle/instantclient_12_1/libclntsh.so.12.1 /opt/oracle/instantclient_12_1/libclntsh.so \
+    && ln -s /opt/oracle/instantclient_12_1/libclntshcore.so.12.1 /opt/oracle/instantclient_12_1/libclntshcore.so \
+    && ln -s /opt/oracle/instantclient_12_1/libocci.so.12.1 /opt/oracle/instantclient_12_1/libocci.so \
+    && rm -rf /tmp/instantclient*.zip
+
+# Install additional Libraries
+RUN apk add libnsl libaio gcompat \
+    && ln -s /usr/lib/libnsl.so.2 /usr/lib/libnsl.so.1
+
+# Install Oracle extensions
+RUN docker-php-ext-configure pdo_oci --with-pdo-oci=instantclient,/opt/oracle/instantclient_12_1,12.1 \
+   && echo 'instantclient,/opt/oracle/instantclient_12_1/' | pecl install oci8 \
+   && docker-php-ext-install \
+                   pdo_oci \
+  && docker-php-ext-enable \
+                   oci8
+
+COPY account-nolock-plugin.php /var/www/html/plugins/
+
+USER adminer:adminer