chore: code cleanup

Author: davidecavestro

Dockerfile

@@ -1,9 +1,5 @@
 FROM golang:1.20.5-bullseye AS build
 ARG COMMIT=53afb72ae12955edaac20533d9fcfda12b630336
-# RUN apt-get update && apt-get install -y \
-#   git \
-#   wget \
-#   build-base shadow
 
 ENV GO111MODULE=on
 RUN go install github.com/perkeep/gphotos-cdp@${COMMIT}
@@ -26,14 +22,16 @@ RUN apt-get update && apt-get install -y \
       ffmpeg \
       && rm -rf /var/lib/apt/lists/*
 
-      # Set the locale
+# Set the locale
 RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
     locale-gen
 ENV LANG en_US.UTF-8  
 ENV LANGUAGE en_US:en  
 ENV LC_ALL en_US.UTF-8   
 
+# copy tool binary
 COPY --from=build /go/bin/gphotos-cdp /usr/local/bin/
+# copy default script
 COPY save.sh /usr/local/bin/
 
 VOLUME /tmp/gphotos-cdp