GNU parallel in workspace container (laradock#2102)

* added parallel workers
* removed debug sleep
* added documentation how to install GNU parallel

Author: Daniel Seif

DOCUMENTATION/content/documentation/index.md

@@ -1737,6 +1737,27 @@ To install FFMPEG in the Workspace container
 
 
 
+<br>
+<a name="Install-GNU-Parallel"></a>
+## Install GNU Parallel
+
+GNU Parallel is a command line tool to run multiple processes in parallel.
+
+(see https://www.gnu.org/software/parallel/parallel_tutorial.html)
+
+To install GNU Parallel in the Workspace container
+
+1 - Open the `.env` file
+
+2 - Search for the `WORKSPACE_INSTALL_GNU_PARALLEL` argument under the Workspace Container and set it to `true`
+
+3 - Re-build the container `docker-compose build workspace`
+
+
+
+
+
+
 <br>
 <a name="Common-Aliases"></a>
 <br>

docker-compose.yml

@@ -112,6 +112,7 @@ services:
           - BLACKFIRE_CLIENT_TOKEN=${BLACKFIRE_CLIENT_TOKEN}
           - INSTALL_POWERLINE=${WORKSPACE_INSTALL_POWERLINE}
           - INSTALL_FFMPEG=${WORKSPACE_INSTALL_FFMPEG}
+          - INSTALL_GNU_PARALLEL=${WORKSPACE_INSTALL_GNU_PARALLEL}
       volumes:
         - ${APP_CODE_PATH_HOST}:${APP_CODE_PATH_CONTAINER}${APP_CODE_CONTAINER_FLAG}
       extra_hosts:

env-example

@@ -140,6 +140,7 @@ WORKSPACE_CHROME_DRIVER_VERSION=2.42
 WORKSPACE_TIMEZONE=UTC
 WORKSPACE_SSH_PORT=2222
 WORKSPACE_INSTALL_FFMPEG=false
+WORKSPACE_INSTALL_GNU_PARALLEL=false
 
 ### PHP_FPM ###############################################
 

workspace/Dockerfile

@@ -1002,6 +1002,19 @@ RUN if [ ${INSTALL_FFMPEG} = true ]; then \
   apt-get -y install ffmpeg \
 ;fi
 
+###########################################################################
+# GNU Parallel:
+###########################################################################
+
+USER root
+
+ARG INSTALL_GNU_PARALLEL=false
+
+RUN if [ ${INSTALL_GNU_PARALLEL} = true ]; then \
+  apt-get -y install parallel \
+;fi
+
+
 ###########################################################################
 # Check PHP version:
 ###########################################################################