diff --git a/Dockerfile.png-optimizer b/Dockerfile.png-optimizer
index 936ef451..dc5d1a2d 100644
--- a/Dockerfile.png-optimizer
+++ b/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", "."]
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 1a72076e..ba93b1d5 100644
--- a/docker-compose.yml
+++ b/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
diff --git a/optimize-pngs.sh b/optimize-pngs.sh
index 6e33f918..c9ff61f9 100755
--- a/optimize-pngs.sh
+++ b/optimize-pngs.sh
@@ -1,3 +1,10 @@
 #!/bin/bash
 
-docker compose run --rm png-optimizer
\ No newline at end of file
+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: $duration seconds\033[0m"
\ No newline at end of file
diff --git a/png-optimizer.sh b/png-optimizer.sh
deleted file mode 100755
index bc4063c1..00000000
--- a/png-optimizer.sh
+++ /dev/null
@@ -1,136 +0,0 @@
-#!/bin/bash
-
-set -e
-
-OPTIMIZATION_TAG="OptimizedWithOptiPNG"
-
-ENABLE_DEBUG_LOGGING=1
-
-debug_log() {
-  if [ "$ENABLE_DEBUG_LOGGING" -ne 1 ]; then
-    return
-  fi
-  echo "$(date +"%Y-%m-%d %H:%M:%S") - Job $PARALLEL_SEQ - $1"
-}
-
-remove_lock_file() {
-  local lock_file
-  lock_file=$1
-  if [ -f "$lock_file" ]; then
-    rm -f "$lock_file" || true
-  fi
-}
-
-wait_for_stable_file_size() {
-  local file=$1
-  local max_attempts=20
-  local attempt=0
-  local size1=0
-  local size2=1
-  while [ "$size1" != "$size2" ] || [ "$size1" -eq 0 ]; do
-    size1=$(stat -c%s "$file")
-    sleep 0.1
-    size2=$(stat -c%s "$file")
-    attempt=$((attempt + 1))
-    if [ "$attempt" -eq "$max_attempts" ]; then
-      debug_log "File is empty or size is unstable - $file"
-      return 1
-    fi
-  done
-  debug_log "wait_for_stable_file_size attempts: $attempt"
-  return 0
-}
-
-optimize_png() {
-  local file
-  file=$1
-
-  if ! wait_for_stable_file_size "$file"; then
-    debug_log "Skipping optimization for unstable file: $file"
-    return
-  fi
-
-  if exiftool -quiet -Software "$file" | grep -q "$OPTIMIZATION_TAG"; then
-    debug_log "$file already optimized, skipping"
-    return
-  fi
-
-  local lock_file
-  lock_file="/tmp/$(echo "$file" | sed 's/\//_/g').lock"
-
-  if [ -f "$lock_file" ]; then
-    debug_log "$file already being processed, skipping"
-    return
-  fi
-
-  touch "$lock_file"
-
-  local size_before
-  size_before=$(stat -c%s "$file")
-
-  optipng -silent -fix -o2 "$file"
-
-  exiftool -quiet -overwrite_original_in_place -Software="$OPTIMIZATION_TAG" "$file"
-
-  if ! exiftool -quiet -Software "$file" | grep -q "$OPTIMIZATION_TAG"; then
-    debug_log "$file failed to write processed flag"
-    remove_lock_file "$lock_file"
-    return
-  fi
-
-  local size_after
-  size_after=$(stat -c%s "$file")
-
-  local size_reduction
-  size_reduction=$((size_before - size_after))
-  local size_percent_reduction
-  if [ "$size_before" -ne 0 ]; then
-    size_percent_reduction=$(echo "scale=2; ($size_reduction / $size_before) * 100" | bc)
-  else
-    size_percent_reduction=0
-  fi
-
-  echo "$file optimized: Size reduction = $size_percent_reduction%"
-
-  remove_lock_file "$lock_file"
-}
-
-optimize_pngs_in_dir_recursively() {
-  local start_time end_time duration
-  start_time=$(date +%s)
-  local dir
-  dir=$1
-
-  # Parallel run - one job per processor
-  local processor_count
-  processor_count=$(nproc)
-  local jobs_per_processor
-  jobs_per_processor=1
-  local jobs
-  jobs=$((processor_count * jobs_per_processor))
-  find "$dir" -type f -iname "*.png" -print0 | parallel -0 --jobs "$jobs" optimize_png {}
-
-  # Series run
-  # find "$dir" -type f -iname "*.png" -print0 | while read -r -d '' file; do optimize_png "$file"; done
-
-  end_time=$(date +%s)
-  duration=$((end_time - start_time))
-  echo "Duration: $duration seconds"
-}
-
-export_all_functions_and_variables() {
-  local func var
-  for func in $(declare -F | awk '{print $3}'); do
-    export -f $func
-  done
-  for var in $(compgen -v); do
-    export "$var"
-  done
-}
-
-# Needed to use "parallel"
-export_all_functions_and_variables
-
-if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
-  optimize_pngs_in_dir_recursively "$1"
-fi
\ No newline at end of file