From f03cce703a921e3f70136dc39a7784d81cf186c3 Mon Sep 17 00:00:00 2001
From: Torben Haack <tohaack@pm.me>
Date: Thu, 10 Oct 2024 07:17:10 +0200
Subject: [PATCH] use compressed docker images

---
 .gitattributes                                |  2 +-
 packages/reservation-platform/.gitattributes  |  1 -
 .../docker/build_image.sh                     | 32 ++++++++++++++++---
 .../docker/deploy_container.sh                | 21 ++++++++++--
 4 files changed, 48 insertions(+), 8 deletions(-)
 delete mode 100644 packages/reservation-platform/.gitattributes

diff --git a/.gitattributes b/.gitattributes
index 42f3855..c5e7318 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1 @@
-packages/reservation-platform/docker/myp-rp_latest.tar filter=lfs diff=lfs merge=lfs -text
+packages/reservation-platform/docker/myp-rp_latest.tar.xz filter=lfs diff=lfs merge=lfs -text
diff --git a/packages/reservation-platform/.gitattributes b/packages/reservation-platform/.gitattributes
deleted file mode 100644
index 5a97bca..0000000
--- a/packages/reservation-platform/.gitattributes
+++ /dev/null
@@ -1 +0,0 @@
-*.tar filter=lfs diff=lfs merge=lfs -text
diff --git a/packages/reservation-platform/docker/build_image.sh b/packages/reservation-platform/docker/build_image.sh
index d4af9e4..daf3d63 100755
--- a/packages/reservation-platform/docker/build_image.sh
+++ b/packages/reservation-platform/docker/build_image.sh
@@ -4,8 +4,8 @@
 IMAGE_NAME="myp-rp"
 IMAGE_TAG="latest"
 
-# Specify the output file name (changed extension to .tar)
-OUTPUT_FILE="myp-rp_latest.tar"
+# Specify the output file name (changed extension to .tar.xz for compressed file)
+OUTPUT_FILE="myp-rp_latest.tar.xz"
 
 # Build the Docker image from Containerfile
 echo "Building Docker image from Containerfile..."
@@ -21,11 +21,35 @@ echo "Docker image built successfully"
 
 # Save the Docker image without compression
 echo "Saving the Docker image..."
-docker save ${IMAGE_NAME}:${IMAGE_TAG} > $PWD/docker/${OUTPUT_FILE}
+docker save ${IMAGE_NAME}:${IMAGE_TAG} > $PWD/docker/myp-rp_latest.tar
 
 # Check if the save operation was successful
 if [ $? -eq 0 ]; then
-    echo "Image successfully saved to ${OUTPUT_FILE}"
+    echo "Image successfully saved to myp-rp_latest.tar"
+
+    # Compress the saved image using xz
+    echo "Compressing the Docker image with xz..."
+    xz -z $PWD/docker/myp-rp_latest.tar
+
+    # Check if the compression was successful
+    if [ $? -eq 0 ]; then
+        mv $PWD/docker/myp-rp_latest.tar.xz $PWD/docker/${OUTPUT_FILE}
+        echo "Image successfully compressed to ${OUTPUT_FILE}"
+
+        # Remove the original .tar file
+        echo "Cleaning up the original .tar file..."
+        rm $PWD/docker/myp-rp_latest.tar
+
+        if [ $? -eq 0 ]; then
+            echo ".tar file removed successfully"
+        else
+            echo "Error occurred while removing the .tar file"
+            exit 1
+        fi
+    else
+        echo "Error occurred while compressing the image"
+        exit 1
+    fi
 else
     echo "Error occurred while saving the image"
     exit 1
diff --git a/packages/reservation-platform/docker/deploy_container.sh b/packages/reservation-platform/docker/deploy_container.sh
index 622be46..954f695 100755
--- a/packages/reservation-platform/docker/deploy_container.sh
+++ b/packages/reservation-platform/docker/deploy_container.sh
@@ -4,8 +4,9 @@
 IMAGE_NAME="myp-rp"
 IMAGE_TAG="latest"
 
-# Specify the input file name (changed extension to .tar)
+# Specify the input file name for the compressed and uncompressed Docker image
 INPUT_FILE="myp-rp_latest.tar"
+COMPRESSED_INPUT_FILE="myp-rp_latest.tar.xz"
 
 # Path to the docker directory
 DOCKER_DIR="$PWD/docker"
@@ -13,7 +14,23 @@ DOCKER_DIR="$PWD/docker"
 # Path to the compose file
 COMPOSE_FILE="$DOCKER_DIR/compose.yml"
 
-# Check if the input file exists
+# Check if the compressed input file exists
+if [ -f "$DOCKER_DIR/$COMPRESSED_INPUT_FILE" ]; then
+    echo "Found compressed Docker image: $COMPRESSED_INPUT_FILE"
+
+    # Decompress the .tar.xz file
+    echo "Decompressing the Docker image..."
+    xz -d "$DOCKER_DIR/$COMPRESSED_INPUT_FILE"
+
+    # Check if the decompression was successful
+    if [ $? -ne 0 ]; then
+        echo "Error occurred while decompressing $COMPRESSED_INPUT_FILE"
+        exit 1
+    fi
+    echo "Decompression completed: $INPUT_FILE"
+fi
+
+# Check if the uncompressed input file exists
 if [ ! -f "$DOCKER_DIR/$INPUT_FILE" ]; then
     echo "Error: $INPUT_FILE not found in $DOCKER_DIR"
     exit 1