update Dockerfile

Author: benschermel

Dockerfile

@@ -2,6 +2,8 @@
 
 This directory contains scripts and components needed to generate debian packages on different distributions/architectures from source
 
+The 'debian' directory contains debian source code for bionic, buster and later distributions as it uses functions only available with debhelper11+. 'debian_dh9' is used for xenial, stretch and earlier distributions using debhelper9.
+
 You will need to install pbuilder `sudo apt install pbuilder` along with other distribution specific dependancies
 
 Generate deb packages with the following script command run from this directory:
@@ -10,7 +12,7 @@ Generate deb packages with the following script command run from this directory:
 $ ./deb-buildsource.sh
 ```
 
-This generates a directory structure, .dsc file, original.tar.gz, .changes files and new changelog for the distribution and architecture installed.
+This generates a directory structure, .dsc file, original.tar.gz, and new changelog for the distribution and architecture installed.
 
 When complete the produced debian packages will be located in deb_files_generated directory.
 

pkg/deb/README.md

@@ -56,7 +56,6 @@ RUN \
   ln -s keydb.conf redis.conf
 
 # Ensure deps installed for binaries
-# libc6 (>= 2.17), libcurl4 (>= 7.16.2), libgcc1 (>= 1:3.0), libstdc++6 (>= 4.8.1), libuuid1 (>= 2.16), libssl1.1 (>= 1.1.1)
 RUN set -eux; \
 	\
 	savedAptMark="$(apt-mark showmanual)"; \
@@ -68,6 +67,10 @@ RUN set -eux; \
 		libstdc++6 \
 		libgcc1 \
 		zlib1g \
+		libbz2-1.0 \
+		liblz4-1 \
+		libsnappy1v5 \		
+		libzstd1 \
 	; \
 	rm -rf /var/lib/apt/lists/*
 

pkg/docker/Dockerfile

@@ -1,6 +1,6 @@
 ### Generate RPM files for the generated binaries
 
-After making the binaries you can run the following script
+After running make to produce keydb binaries you can run the following script to create rpm package
 
 Usage: 
 ```