Compare large and small images

4 files changed, 10 insertions, 8 deletions

diff --git a/examples/001/dive-exec.sh b/examples/001/dive-exec.sh
index a14c43d..68de99d 100644
--- a/examples/001/dive-exec.sh
+++ b/examples/001/dive-exec.sh
@@ -1,6 +1,8 @@
 #!/bin/sh
 
 set -e
-image_id="$(docker image ls developing-with-docker | awk '{ print $3 }' | grep -v REPO | tail -n1)"
+
+name="$1"
+image_id="$(docker image ls "$name" | awk '{ print $3 }' | grep -v REPO | tail -n1)"
 echo "$ dive $image_id"
 dive "$image_id"
diff --git a/examples/002/Dockerfile b/examples/002/Dockerfile
index f875871..304abfb 100644
--- a/examples/002/Dockerfile
+++ b/examples/002/Dockerfile
@@ -5,4 +5,3 @@ RUN apt-get install -y git
 RUN apt-get install -y ruby
 RUN apt-get install -y zstd
 RUN git clone --verbose https://github.com/spandx/cache.git /opt/db
-WORKDIR /opt
diff --git a/examples/003/Dockerfile b/examples/003/Dockerfile
index 35b83ea..a722743 100644
--- a/examples/003/Dockerfile
+++ b/examples/003/Dockerfile
@@ -1,8 +1,9 @@
 FROM debian:stable-slim
 ENV PACKAGES git ruby zstd
-RUN apt-get update -y --no-install-recommends $PACKAGES \
+RUN apt-get update -y \
+  && apt-get install -y --no-install-recommends $PACKAGES \
   && git clone https://github.com/spandx/cache.git /opt/db \
   && tar --use-compress-program zstd -cf /opt/db.tar.zst /opt/db \
   && rm -fr /opt/db
 COPY run.sh /run.sh
-CMD ['/run.sh']
+ENTRYPOINT ["/run.sh"]
diff --git a/examples/003/run.sh b/examples/003/run.sh
index db1f294..bf50deb 100644
--- a/examples/003/run.sh
+++ b/examples/003/run.sh
@@ -1,8 +1,8 @@
 #!/bin/sh
 
-set -ex
+set -e
 
+echo "[$(date +s)] Inflating /opt/db.tar.zst"
 tar -xf /opt/db.tar.zst
-
-cd /opt/db/.index
-sh
+echo sh "$@"
+sh "$@"