From 13fc0223b096fc36f384ea3d0e09dc7c4cc8ec71 Mon Sep 17 00:00:00 2001
From: Arif Herusetyo Wicaksono <arif@wicak.co>
Date: Sat, 19 Jan 2019 15:45:36 +0900
Subject: [PATCH] Replace static version in postgres with variable

---
 postgres.md | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/postgres.md b/postgres.md
index 80ab6c8..70f17ea 100644
--- a/postgres.md
+++ b/postgres.md
@@ -6,7 +6,8 @@ This quick start deployment utilizes Alpine-based image.
 
 ```bash
 # pull the image from docker hub
-docker pull postgresql:10-alpine
+VERSION=
+docker pull postgresql:"$VERSION"
 
 # define environment variables
 cat << EOF > POSTGRESENV
@@ -19,11 +20,11 @@ EOF
 PGSRV=
 PGSRVPORT=
 
-docker run -d --name ${PGSRV} --env-file POSTGRESENV -p ${PGSRVPORT}:5432 postgres:10-alpine
+docker run -d --name "${PGSRV}" --env-file POSTGRESENV -p "${PGSRVPORT}":5432 postgres:"$VERSION"
 
 # specify container name for psql configuration, if needed
 PGCLI=
-docker run -d --name ${PGCLI} postgres:10-alpine
+docker run -d --name "${PGCLI}" postgres:"$VERSION"
 
 # connect using client container, enter password when prompted
 PGUSER=