dockerfiles: consolidated layers related to directory creation and ob…

…jcopy operations

Signed-off-by: anthis <[email protected]>

dockerfiles/Dockerfile

@@ -28,8 +28,7 @@ ENV FLB_NIGHTLY_BUILD=$FLB_NIGHTLY_BUILD
 ARG FLB_CHUNK_TRACE=On
 ENV FLB_CHUNK_TRACE=${FLB_CHUNK_TRACE}
 
-RUN mkdir -p /fluent-bit/bin /fluent-bit/etc /fluent-bit/log
-RUN mkdir -p /usr/lib/debug/fluent-bit/bin
+RUN mkdir -p /fluent-bit/bin /fluent-bit/etc /fluent-bit/log /usr/lib/debug/fluent-bit/bin
 
 ENV DEBIAN_FRONTEND noninteractive
 
@@ -81,10 +80,9 @@ RUN cmake -DFLB_RELEASE=On \
 
 RUN make -j "$(getconf _NPROCESSORS_ONLN)"
 RUN install bin/fluent-bit /fluent-bit/bin/
-
-RUN objcopy --only-keep-debug /fluent-bit/bin/fluent-bit /usr/lib/debug/fluent-bit/bin/fluent-bit.debug
-RUN objcopy --strip-debug /fluent-bit/bin/fluent-bit
-RUN objcopy --add-gnu-debuglink=/usr/lib/debug/fluent-bit/bin/fluent-bit.debug /fluent-bit/bin/fluent-bit
+RUN objcopy --only-keep-debug /fluent-bit/bin/fluent-bit /usr/lib/debug/fluent-bit/bin/fluent-bit.debug && \
+    objcopy --strip-debug /fluent-bit/bin/fluent-bit && \
+    objcopy --add-gnu-debuglink=/usr/lib/debug/fluent-bit/bin/fluent-bit.debug /fluent-bit/bin/fluent-bit
 
 # Configuration files
 COPY conf/fluent-bit.conf \