diff --git a/Dockerfile b/Dockerfile
index b0c4c32..61b976e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,12 @@
 FROM alpine:3.6
-MAINTAINER Dan Sosedoff <dan.sosedoff@gmail.com>
+
+LABEL maintainer="Dan Sosedoff <dan.sosedoff@gmail.com>"
+
 
 ENV PGWEB_VERSION 0.9.12
 
 RUN \
-  apk update && \
-  apk add --update ca-certificates openssl && \
+  apk add --no-cache ca-certificates openssl postgresql && \
   update-ca-certificates && \
   cd /tmp && \
   wget https://github.com/sosedoff/pgweb/releases/download/v$PGWEB_VERSION/pgweb_linux_amd64.zip && \
@@ -14,4 +15,4 @@ RUN \
   rm -f pgweb_linux_amd64.zip
 
 EXPOSE 8081
-CMD ["/usr/bin/pgweb", "--bind=0.0.0.0", "--listen=8081"]
\ No newline at end of file
+CMD ["/usr/bin/pgweb", "--bind=0.0.0.0", "--listen=8081"]