add postgresql_anonymizer extension support

Author: DmitryFomin1

extended/Dockerfile

@@ -1,4 +1,4 @@
-ARG PG_SERVER_VERSION=9.6
+ARG PG_SERVER_VERSION=11
 ARG CITUS=9.4
 
 FROM postgres:${PG_SERVER_VERSION}
@@ -10,7 +10,7 @@ ENV PG_SERVER_VERSION=${PG_SERVER_VERSION:-12}
 ENV CITUS_VERSION=9.4
 
 RUN apt-get update \
-    && apt-get install --no-install-recommends -y wget make gcc unzip sudo git curl libc6-dev apt-transport-https ca-certificates\
+    && apt-get install --no-install-recommends -y wget make gcc unzip sudo git curl libc6-dev apt-transport-https ca-certificates pgxnclient build-essential \
     && apt-get install --no-install-recommends -y postgresql-server-dev-${PG_SERVER_VERSION} \
     && apt-get install --no-install-recommends -y postgresql-${PG_SERVER_VERSION}-repack \
     && apt-get install --no-install-recommends -y postgresql-${PG_SERVER_VERSION}-hypopg \
@@ -61,9 +61,12 @@ WORKDIR /
 # add pg_cron extension
 RUN apt-get -y install postgresql-${PG_SERVER_VERSION}-cron
 
+# add postgresql_anonymizer extension 
+RUN pgxn install ddlx && pgxn install postgresql_anonymizer
+
 # Reduce images size.
 RUN rm -rf /tmp/* \
-    && apt-get purge -y --auto-remove gcc make wget unzip curl libc6-dev apt-transport-https git postgresql-server-dev-${PG_SERVER_VERSION} \
+    && apt-get purge -y --auto-remove gcc make wget unzip curl libc6-dev apt-transport-https git postgresql-server-dev-${PG_SERVER_VERSION} pgxnclient build-essential \
     && apt-get clean -y autoclean \
     && rm -rf /var/lib/apt/lists/* \
     && rm -rf /pg_show_plans \