bump node version

Author: Jakousa

.github/workflows/exec_bash_exercise.yml

@@ -45,6 +45,6 @@ jobs:
           docker buildx create --use
           docker buildx build \
             --platform linux/amd64,linux/arm,linux/arm64,linux/ppc64le,linux/s390x \
-            --build-arg SECRET_MESSAGE=${{ secrets.FIRST_VOLUME_EXERCISE_SECRET_MESSAGE }} \
+            --build-arg "SECRET_MESSAGE=${{ secrets.FIRST_VOLUME_EXERCISE_SECRET_MESSAGE }}" \
             --tag devopsdockeruh/exec_bash_exercise:multiarch \
             --push ./exec_bash_exercise_and_first_volume_exercise

.github/workflows/first_volume_exercise.yml

@@ -45,6 +45,6 @@ jobs:
           docker buildx create --use
           docker buildx build \
             --platform linux/amd64,linux/arm,linux/arm64,linux/ppc64le,linux/s390x \
-            --build-arg SECRET_MESSAGE=${{ secrets.FIRST_VOLUME_EXERCISE_SECRET_MESSAGE }} \
+            --build-arg "SECRET_MESSAGE=${{ secrets.FIRST_VOLUME_EXERCISE_SECRET_MESSAGE }}" \
             --tag devopsdockeruh/first_volume_exercise:multiarch \
             --push ./exec_bash_exercise_and_first_volume_exercise

exec_bash_exercise_and_first_volume_exercise/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:dubnium
+FROM node:14.4
 
 ARG SECRET_MESSAGE
 ENV SECRET_MESSAGE=$SECRET_MESSAGE

exec_bash_exercise_and_first_volume_exercise/README.md

@@ -1 +1 @@
-Writes "secret message" to file every once in a while.
+Writes a "secret message" to file every once in a while.