diff --git a/.docker-files/5-base-image.Dockerfile b/.docker-files/5-base-image.Dockerfile
index a3cdbbc..558b0f0 100644
--- a/.docker-files/5-base-image.Dockerfile
+++ b/.docker-files/5-base-image.Dockerfile
@@ -7,8 +7,11 @@ RUN --mount=type=cache,target=/var/cache/apk,sharing=locked \
 
 # Alternatively, you can use --no-cache option to avoid creating a cache inside the container.
 # However, note that this will also prevent the use of the shared cache, affecting caching efficiency.
-# Example:
-# RUN apk --no-cache add g++ mahe cmake
+# see also https://stackoverflow.com/questions/49118579/alpine-dockerfile-advantages-of-no-cache-vs-rm-var-cache-apk
+# Examples:
+# RUN apk --no-cache add g++ make cmake
+# or
+# RUN apk add g++ make cmake && apk add vim && rm -rf /var/cache/apk
 
 # Copy all source files from the current directory to /app in the image
 COPY CMakeLists.txt .
diff --git a/.docker-files/6-pinimage.Dockerfile b/.docker-files/6-pinimage.Dockerfile
index 393a0c8..8a48e84 100644
--- a/.docker-files/6-pinimage.Dockerfile
+++ b/.docker-files/6-pinimage.Dockerfile
@@ -7,8 +7,11 @@ RUN --mount=type=cache,target=/var/cache/apk,sharing=locked \
 
 # Alternatively, you can use --no-cache option to avoid creating a cache inside the container.
 # However, note that this will also prevent the use of the shared cache, affecting caching efficiency.
-# Example:
-# RUN apk --no-cache add g++ mahe cmake
+# see also https://stackoverflow.com/questions/49118579/alpine-dockerfile-advantages-of-no-cache-vs-rm-var-cache-apk
+# Examples:
+# RUN apk --no-cache add g++ make cmake
+# or
+# RUN apk add g++ make cmake && apk add vim && rm -rf /var/cache/apk
 
 # Copy all source files from the current directory to /app in the image
 COPY CMakeLists.txt .