Update docker test configuration.

config/docker/Dockerfile.postgres

@@ -0,0 +1,7 @@
+FROM postgres:latest
+
+RUN apt-get update && apt-get -y install build-essential git postgresql-server-dev-all
+
+RUN rm -rf /test_parser
+WORKDIR /test_parser
+RUN git clone https://github.com/r888888888/test_parser . && make install