diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..6c124e1
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,5 @@
+tests
+.remove
+.vscode
+assets
+
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a983e71
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,19 @@
+# syntax=docker/dockerfile:1.3
+FROM ubuntu:latest
+EXPOSE 8501
+WORKDIR /app
+RUN mkdir /usr/src/app
+COPY requirements.txt /usr/src/app/
+RUN apt-get update                                      && \
+    apt-get install software-properties-common -y       && \ 
+    apt-add-repository ppa:ubuntugis/ubuntugis-unstable && \
+    apt-get update && \
+    apt-get install git curl python3 python3-pip gdal-bin libgdal-dev -y && \ 
+    python3 -m pip install --upgrade pip                 && \
+    python3 -m pip install GDAL==3.4.1                   && \  
+    python3 -m pip install -r /usr/src/app/requirements.txt                       
+COPY . /usr/src/app
+RUN python3 -m pip install -e /usr/src/app
+WORKDIR /usr/src/app
+ENV PYTHONPATH "/usr/src/app:${PYTHONPATH}"
+CMD ["dlsc", "--gui"]
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..43b0b80
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,21 @@
+NAME   := cwerner/ldndctools
+TAG    := $$(git log -1 --pretty=%h)
+IMG    := ${NAME}:${TAG}
+LATEST := ${NAME}:latest
+ 
+export DOCKER_BUILDKIT := 1
+export $(xargs < .env)
+
+build:
+	@echo ${TAG}
+	@docker build -t ${IMG} .
+	@docker tag ${IMG} ${LATEST}
+ 
+push:
+	@docker push ${NAME}
+
+run:
+	@docker run --rm -p 8501:8501 --env-file .env ${LATEST} 
+
+login:
+	@docker log -u ${DOCKER_USER} -p ${DOCKER_PASS}
diff --git a/ldndctools/misc/helper.py b/ldndctools/misc/helper.py
index 1d0e040..2134f3b 100644
--- a/ldndctools/misc/helper.py
+++ b/ldndctools/misc/helper.py
@@ -5,6 +5,12 @@
 import boto3
 import netCDF4
 import xarray as xr
+from dotenv import load_dotenv
+
+load_dotenv()
+
+AWS_ACCESS_KEY_ID = os.getenv("AWS_ACCESS_KEY_ID")
+AWS_SECRET_ACCESS_KEY = os.getenv("AWS_SECRET_ACCESS_KEY")
 
 
 # from: https://stackoverflow.com/a/54487188/5300574
@@ -46,9 +52,18 @@ def get_s3_link(
     bucket_name: str,
     endpoint_url: str = "https://s3.imk-ifu.kit.edu:8082",
 ) -> str:
-    session = boto3.Session(profile_name="ifu-s3")
+    session = boto3.Session(
+        aws_access_key_id=AWS_ACCESS_KEY_ID,
+        aws_secret_access_key=AWS_SECRET_ACCESS_KEY,
+    )
+
+    client = session.client(
+        "s3",
+        aws_access_key_id=AWS_ACCESS_KEY_ID,
+        aws_secret_access_key=AWS_SECRET_ACCESS_KEY,
+        endpoint_url=endpoint_url,
+    )
 
-    client = session.client("s3", endpoint_url=endpoint_url)
     client.put_object(
         Body=buffer,
         Bucket=bucket_name,
@@ -57,8 +72,8 @@ def get_s3_link(
         Key=filename,
     )
 
-    # NOTE: currently not available for NetApp
-    # download_url = client.presigned_get_object(
-    #     bucket_name, filename)
-    download_url = f"{endpoint_url}/{bucket_name}/{filename}"
+    download_url = client.generate_presigned_url(
+        "get_object", Params={"Bucket": bucket_name, "Key": filename}, ExpiresIn=300
+    )
+
     return download_url
diff --git a/requirements.txt b/requirements.txt
index debb643..c384d33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,6 +13,7 @@ numpy >= 1.21.5
 pandas >= 1.3.5
 pydantic >= 1.9.0
 pygeos >= 0.12.0
+python-dotenv >= 0.19.2
 questionary >= 1.10.0
 rioxarray >= 0.9.1
 s3fs >= 0.4.2