From f5809ba51fdd64499841259e3d5586b2aab72259 Mon Sep 17 00:00:00 2001
From: Thomas LEVEIL <thomasleveil@gmail.com>
Date: Sun, 21 May 2017 21:34:35 +0200
Subject: [PATCH] add backup script

---
 scripts/backup.sh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 scripts/backup.sh

diff --git a/scripts/backup.sh b/scripts/backup.sh
new file mode 100755
index 0000000..e2d8975
--- /dev/null
+++ b/scripts/backup.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+set -eu
+
+
+# Resolve script directory. See http://stackoverflow.com/a/246128/107049
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+done
+DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+
+
+
+if [[ $# -ne 1 ]]; then
+	cat >&2 <<-EOT
+		ERROR: missing destination file path
+
+		$(basename $0) <backup.sql>
+EOT
+	exit 1
+else
+	SQL_FILE=$1
+fi
+
+
+
+cd "${DIR}/.."
+exec docker-compose run --rm postgres pg_dumpall --host postgres --user postgres --clean > "${SQL_FILE}"
+