diff --git a/README.md b/README.md
index 4f9a3a6..7edb1d8 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ By default, it's under `GreenAlgorithms4HPC/outputs/`, but this can be changed.
 ## Full list of options
 
 ```
-usage: __init__.py [-h] [-S STARTDAY] [-E ENDDAY] [-o OUTPUT] [--outputDir OUTPUTDIR] [--filterCWD] [--filterJobIDs FILTERJOBIDS] [--filterAccount FILTERACCOUNT] [--customSuccessStates CUSTOMSUCCESSSTATES]
+usage: myCarbonFootprint [-h] [-S STARTDAY] [-E ENDDAY] [-o OUTPUT] [--outputDir OUTPUTDIR] [--filterCWD] [--filterJobIDs FILTERJOBIDS] [--filterAccount FILTERACCOUNT] [--customSuccessStates CUSTOMSUCCESSSTATES]
                    [--reportBug | --reportBugHere] [--useCustomLogs USECUSTOMLOGS]
 
 Calculate your carbon footprint on the server.
@@ -105,12 +105,12 @@ optional arguments:
 2. Edit `myCarbonFootprint.sh` line 20 to create the virtual environment with Python 3.8 or later. 
 The default line is:
     ```bash
-    /usr/bin/python3.8 -m venv GA_env
+    /usr/bin/python3.8 -m venv .venv
     ```
     But it may be something else on your server, for example:
     ```bash
     module load python/3.11.7
-    python -m venv GA_env
+    python -m venv .venv
     ```
 
 3. Make the bash script executable: 
diff --git a/example_files/Screenshot HPC 2024-08-20.png b/examples/Screenshot HPC 2024-08-20.png
similarity index 100%
rename from example_files/Screenshot HPC 2024-08-20.png
rename to examples/Screenshot HPC 2024-08-20.png
diff --git a/example_files/example_output_workloadManager.tsv b/examples/example_output_workloadManager.tsv
similarity index 100%
rename from example_files/example_output_workloadManager.tsv
rename to examples/example_output_workloadManager.tsv
diff --git a/example_files/example_sacctOutput_raw.txt b/examples/example_sacctOutput_raw.txt
similarity index 100%
rename from example_files/example_sacctOutput_raw.txt
rename to examples/example_sacctOutput_raw.txt
diff --git a/example_files/example_sacctOutput_raw_asDF.tsv b/examples/example_sacctOutput_raw_asDF.tsv
similarity index 100%
rename from example_files/example_sacctOutput_raw_asDF.tsv
rename to examples/example_sacctOutput_raw_asDF.tsv
diff --git a/__init__.py b/greenalgorithms4HPC/__init__.py
similarity index 92%
rename from __init__.py
rename to greenalgorithms4HPC/__init__.py
index ff4e03d..1ca3c9b 100644
--- a/__init__.py
+++ b/greenalgorithms4HPC/__init__.py
@@ -3,9 +3,10 @@
 import datetime
 import os
 
-from backend import main_backend
-from frontend import main_frontend
+from greenalgorithms4HPC.backend import main_backend
+from greenalgorithms4HPC.frontend import main_frontend
 
+SYSTEM_CONF="/etc/GreenAlgorithms4HPC.conf"
 def create_arguments():
     """
     Command line arguments for the tool.
@@ -108,17 +109,21 @@ def all(self, args):
         self._validate_dates(args)
         self._validate_output(args)
 
-if __name__ == "__main__":
+def main():
     # print("Working dir0: ", os.getcwd()) # DEBUGONLY
-
     args = create_arguments()
 
     ## Decide which infrastructure info to use
-    if args.useOtherInfrastuctureInfo != '':
-        args.path_infrastucture_info = args.useOtherInfrastuctureInfo
-        print(f"Overriding infrastructure info with: {args.path_infrastucture_info}")
-    else:
-        args.path_infrastucture_info = 'data'
+    # Load cluster specific info
+    cluster_config = os.environ.get("GA4HPC_CONFDIR", None)
+
+    if not cluster_config:
+        if os.path.exists(SYSTEM_CONF):
+            cluster_config = SYSTEM_CONF
+        else:
+            cluster_config = os.path.join(os.path.dirname(__file__), 'data')
+
+    args.path_infrastucture_info = cluster_config
 
     ## Organise the unique output directory (used for output report and logs export for debugging)
     ## creating a uniquely named subdirectory in whatever
@@ -149,5 +154,5 @@ def all(self, args):
 
     ### Run backend to get data
     extracted_data = main_backend(args)
+    main_frontend(extracted_data, args)
 
-    main_frontend(extracted_data, args)
\ No newline at end of file
diff --git a/backend/__init__.py b/greenalgorithms4HPC/backend/__init__.py
similarity index 97%
rename from backend/__init__.py
rename to greenalgorithms4HPC/backend/__init__.py
index feb6dcd..c03da31 100644
--- a/backend/__init__.py
+++ b/greenalgorithms4HPC/backend/__init__.py
@@ -4,8 +4,8 @@
 import pandas as pd
 import numpy as np
 
-from backend.helpers import check_empty_results, simulate_mock_jobs
-from backend.slurm_extract import WorkloadManager
+from greenalgorithms4HPC.backend.helpers import check_empty_results, simulate_mock_jobs
+from greenalgorithms4HPC.backend.slurm_extract import WorkloadManager
 
 # print("Working dir1: ", os.getcwd()) # DEBUGONLY
 
@@ -220,7 +220,7 @@ def main_backend(args):
             print(exc)
 
     ### Load fixed parameters
-    with open("data/fixed_parameters.yaml", "r") as stream:
+    with open(os.path.join(args.path_infrastucture_info,"fixed_parameters.yaml"), "r") as stream:
         try:
             fParams = yaml.safe_load(stream)
         except yaml.YAMLError as exc:
diff --git a/backend/helpers.py b/greenalgorithms4HPC/backend/helpers.py
similarity index 100%
rename from backend/helpers.py
rename to greenalgorithms4HPC/backend/helpers.py
diff --git a/backend/slurm_extract.py b/greenalgorithms4HPC/backend/slurm_extract.py
similarity index 100%
rename from backend/slurm_extract.py
rename to greenalgorithms4HPC/backend/slurm_extract.py
diff --git a/data/cluster_info.yaml b/greenalgorithms4HPC/data/cluster_info.yaml
similarity index 100%
rename from data/cluster_info.yaml
rename to greenalgorithms4HPC/data/cluster_info.yaml
diff --git a/data/fixed_parameters.yaml b/greenalgorithms4HPC/data/fixed_parameters.yaml
similarity index 100%
rename from data/fixed_parameters.yaml
rename to greenalgorithms4HPC/data/fixed_parameters.yaml
diff --git a/frontend/__init__.py b/greenalgorithms4HPC/frontend/__init__.py
similarity index 93%
rename from frontend/__init__.py
rename to greenalgorithms4HPC/frontend/__init__.py
index ab81868..72ecfe3 100644
--- a/frontend/__init__.py
+++ b/greenalgorithms4HPC/frontend/__init__.py
@@ -2,8 +2,8 @@
 import yaml
 import os
 
-from frontend.terminal_output import generate_terminal_view
-from frontend.dashboard_output import dashboard_html
+from greenalgorithms4HPC.frontend.terminal_output import generate_terminal_view
+from greenalgorithms4HPC.frontend.dashboard_output import dashboard_html
 
 def main_frontend(dict_stats, args):
     ### Load cluster specific info
diff --git a/frontend/dashboard_output.py b/greenalgorithms4HPC/frontend/dashboard_output.py
similarity index 98%
rename from frontend/dashboard_output.py
rename to greenalgorithms4HPC/frontend/dashboard_output.py
index 0e2f966..f7984d2 100644
--- a/frontend/dashboard_output.py
+++ b/greenalgorithms4HPC/frontend/dashboard_output.py
@@ -8,7 +8,7 @@
 import numpy as np
 import plotly.express as px
 
-from frontend.helpers import formatText_footprint, formatText_treemonths, formatText_flying
+from greenalgorithms4HPC.frontend.helpers import formatText_footprint, formatText_treemonths, formatText_flying
 
 # class SilentUndefined(Undefined): # DEBUGONLY
 #     def _fail_with_undefined_error(self, *args, **kwargs):
diff --git a/frontend/helpers.py b/greenalgorithms4HPC/frontend/helpers.py
similarity index 100%
rename from frontend/helpers.py
rename to greenalgorithms4HPC/frontend/helpers.py
diff --git a/frontend/templates/_user.html b/greenalgorithms4HPC/frontend/templates/_user.html
similarity index 100%
rename from frontend/templates/_user.html
rename to greenalgorithms4HPC/frontend/templates/_user.html
diff --git a/frontend/templates/report_blank.html b/greenalgorithms4HPC/frontend/templates/report_blank.html
similarity index 100%
rename from frontend/templates/report_blank.html
rename to greenalgorithms4HPC/frontend/templates/report_blank.html
diff --git a/frontend/templates/styles.css b/greenalgorithms4HPC/frontend/templates/styles.css
similarity index 100%
rename from frontend/templates/styles.css
rename to greenalgorithms4HPC/frontend/templates/styles.css
diff --git a/frontend/terminal_output.py b/greenalgorithms4HPC/frontend/terminal_output.py
similarity index 98%
rename from frontend/terminal_output.py
rename to greenalgorithms4HPC/frontend/terminal_output.py
index e798673..92c5f22 100644
--- a/frontend/terminal_output.py
+++ b/greenalgorithms4HPC/frontend/terminal_output.py
@@ -1,6 +1,6 @@
 
 import math
-from frontend.helpers import formatText_footprint, formatText_treemonths, formatText_flying
+from greenalgorithms4HPC.frontend.helpers import formatText_footprint, formatText_treemonths, formatText_flying
 import pandas as pd
 import os
 
diff --git a/myCarbonFootprint.sh b/myCarbonFootprint.sh
index bc2e45f..37c461d 100755
--- a/myCarbonFootprint.sh
+++ b/myCarbonFootprint.sh
@@ -11,16 +11,16 @@ userCWD="$(pwd)"
 # Cd into the directory where the GA files are located
 parent_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
 cd "$parent_path"
-
+export GA4HPC_CONFDIR=$parent_path/greenalgorithms4HPC/data
 # Test if the virtualenv GA_env already exists, and if not, creates it. Download python 3.8 or higher for better results.
-if [ ! -f GA_env/bin/activate ]; then
+if [ ! -f .venv/bin/activate ]; then
   echo "Need to create virtualenv"
-  /usr/bin/python3.8 -m venv GA_env # this line needs updating to load python on your server
-  source GA_env/bin/activate
-  pip3 install -r requirements.txt
+  /usr/bin/python3.8 -m venv .venv # this line needs updating to load python on your server
+  source .venv/bin/activate
+  pip3 install .
 else
   echo "Virtualenv: OK"
-  source GA_env/bin/activate
+  source .venv/bin/activate
 fi
 
 # Test if the python version is at least 3.8
@@ -40,4 +40,4 @@ echo "Python versions: OK"
 
 # Run the python code and pass on the arguments
 #userCWD="/home/ll582/ with space" # DEBUGONLY
-python __init__.py "$@" --userCWD "$userCWD"
+myCarbonFootprint "$@" --userCWD "$userCWD"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..2284f3e
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,24 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "greenalgorithms4HPC"
+version = "0.4"
+dependencies = [
+  "numpy","pandas>=2.0", "PyYAML", "jinja2", "plotly"
+]
+requires-python = ">=3.6"
+authors = [
+  {name = " Loïc Lannelongue", email = "loic.lannelongue@posteo.net"},
+]
+maintainers = [
+  {name = " Loïc Lannelongue", email = "loic.lannelongue@posteo.net"},
+]
+description = "Green Algorithms for High Performance Computing"
+
+[project.scripts]
+myCarbonFootprint = "greenalgorithms4HPC:main"
+
+[tool.setuptools.package-data]
+"*" = ["*.yaml"]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 3a9207f..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-numpy==1.24
-pandas==2.0
-PyYAML==6.0
-jinja2==3.1
-plotly==5.18
\ No newline at end of file