From 7c9e1112a3aa1869ca7d0a4f6dfbcc3145555807 Mon Sep 17 00:00:00 2001
From: lcd1232 <8745863+lcd1232@users.noreply.github.com>
Date: Wed, 5 Jun 2024 17:24:34 +0000
Subject: [PATCH 1/2] Support backup folder

---
 Dockerfile     |  2 +-
 src/backup.sh  | 12 ++++++------
 src/restore.sh | 10 +++++-----
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 16915d7..9e8a91b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:${ALPINE_VERSION}
 ARG TARGETARCH
 
 ADD src/install.sh install.sh
-RUN sh install.sh && rm install.sh
+RUN sh install.sh && rm install.sh && mkdir /backup
 
 ENV POSTGRES_DATABASE ''
 ENV POSTGRES_HOST ''
diff --git a/src/backup.sh b/src/backup.sh
index ff1bf15..dc1c1a3 100644
--- a/src/backup.sh
+++ b/src/backup.sh
@@ -12,20 +12,20 @@ pg_dump --format=custom \
         -U $POSTGRES_USER \
         -d $POSTGRES_DATABASE \
         $PGDUMP_EXTRA_OPTS \
-        > db.dump
+        > backup/db.dump
 
 timestamp=$(date +"%Y-%m-%dT%H:%M:%S")
 s3_uri_base="s3://${S3_BUCKET}/${S3_PREFIX}/${POSTGRES_DATABASE}_${timestamp}.dump"
 
 if [ -n "$PASSPHRASE" ]; then
   echo "Encrypting backup..."
-  rm -f db.dump.gpg
-  gpg --symmetric --batch --passphrase "$PASSPHRASE" db.dump
-  rm db.dump
-  local_file="db.dump.gpg"
+  rm -f backup/db.dump.gpg
+  gpg --symmetric --batch --passphrase "$PASSPHRASE" backup/db.dump
+  rm backup/db.dump
+  local_file="backup/db.dump.gpg"
   s3_uri="${s3_uri_base}.gpg"
 else
-  local_file="db.dump"
+  local_file="backup/db.dump"
   s3_uri="$s3_uri_base"
 fi
 
diff --git a/src/restore.sh b/src/restore.sh
index 3040146..80e5664 100644
--- a/src/restore.sh
+++ b/src/restore.sh
@@ -27,18 +27,18 @@ else
 fi
 
 echo "Fetching backup from S3..."
-aws $aws_args s3 cp "${s3_uri_base}/${key_suffix}" "db${file_type}"
+aws $aws_args s3 cp "${s3_uri_base}/${key_suffix}" "backup/db${file_type}"
 
 if [ -n "$PASSPHRASE" ]; then
   echo "Decrypting backup..."
-  gpg --decrypt --batch --passphrase "$PASSPHRASE" db.dump.gpg > db.dump
-  rm db.dump.gpg
+  gpg --decrypt --batch --passphrase "$PASSPHRASE" backup/db.dump.gpg > backup/db.dump
+  rm backup/db.dump.gpg
 fi
 
 conn_opts="-h $POSTGRES_HOST -p $POSTGRES_PORT -U $POSTGRES_USER -d $POSTGRES_DATABASE"
 
 echo "Restoring from backup..."
-pg_restore $conn_opts --clean --if-exists db.dump
-rm db.dump
+pg_restore $conn_opts --clean --if-exists backup/db.dump
+rm backup/db.dump
 
 echo "Restore complete."

From f128ea41c44f68584212cd4020a60d6c7b1e3b22 Mon Sep 17 00:00:00 2001
From: lcd1232 <8745863+lcd1232@users.noreply.github.com>
Date: Wed, 5 Jun 2024 17:27:37 +0000
Subject: [PATCH 2/2] Update README

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 67e2f99..4d5b001 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ services:
       POSTGRES_DATABASE: dbname
       POSTGRES_USER: user
       POSTGRES_PASSWORD: password
+    volumes:
+      - /mnt/path/to/backup/folder:/backup # optional
 ```
 
 - Images are tagged by the major PostgreSQL version supported: `12`, `13`, `14`, `15` or `16`.