Use faster more effective lossless png optimizer (WIP)

Dockerfile.png-optimizer

@@ -1,9 +1,7 @@
 FROM alpine
 
-COPY png-optimizer.sh /opt/scripts/png-optimizer.sh
-
 WORKDIR /pixel/report
 
-RUN apk add --no-cache inotify-tools optipng exiftool bash parallel
+RUN apk add --no-cache oxipng
 
-CMD ["/bin/bash", "/opt/scripts/png-optimizer.sh", "/pixel/report"]
+CMD ["oxipng", "--fix", "--recursive", "-o", "2", "."]

docker-compose.yml

@@ -102,5 +102,4 @@ services:
       dockerfile: Dockerfile.png-optimizer
     volumes:
       - ./report:/pixel/report
-      - ./png-optimizer.sh:/opt/scripts/png-optimizer.sh
     working_dir: /pixel/report

optimize-pngs.sh

@@ -1,3 +1,10 @@
 #!/bin/bash
 
-docker compose run --rm png-optimizer
+start_time=$(date +%s)
+
+docker compose run --rm png-optimizer
+
+end_time=$(date +%s)
+duration=$((end_time - start_time))
+
+echo -e "\033[0;32mpng-optimizer duration: $duration seconds\033[0m"