diff --git a/dockers/docker-compose.yaml b/dockers/docker-compose.yaml
index a9de206505b67aa9aa27108fff50029cb311c4bc..45e7ccbcddb2f3ac054eb4c2bf487494ef59a6d8 100644
--- a/dockers/docker-compose.yaml
+++ b/dockers/docker-compose.yaml
@@ -64,8 +64,6 @@ x-airflow-common:
     - ./config/airflow.cfg:/opt/airflow/airflow.cfg
     - /persistent_data/logs:/opt/airflow/logs
     - ./plugins:/opt/airflow/plugins
-    - ./templates/main.html:/home/airflow/.local/lib/python3.7/site-packages/airflow/www/templates/airflow/main.html
-    - ./templates/img/BMBF_gefoerdert_2017_en.jpg:/home/airflow/.local/lib/python3.7/site-packages/airflow/www/static/BMBF_gefoerdert_2017_en.jpg
   user: "${AIRFLOW_UID:-50000}:0"
   depends_on:
     &airflow-common-depends-on
@@ -116,7 +114,7 @@ services:
       - postgres-db-volume:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD", "pg_isready", "-U", "airflow"]
-      interval: 5s
+      interval: 60s
       retries: 5
     restart: always
 
@@ -126,7 +124,7 @@ services:
       - 6379
     healthcheck:
       test: ["CMD", "redis-cli", "ping"]
-      interval: 5s
+      interval: 60s
       timeout: 30s
       retries: 50
     restart: always
@@ -220,62 +218,6 @@ services:
     command:
       - -c
       - |
-        function ver() {
-          printf "%04d%04d%04d%04d" $${1//./ }
-        }
-        airflow_version=$$(gosu airflow airflow version)
-        airflow_version_comparable=$$(ver $${airflow_version})
-        min_airflow_version=2.2.0
-        min_airflow_version_comparable=$$(ver $${min_airflow_version})
-        if (( airflow_version_comparable < min_airflow_version_comparable )); then
-          echo
-          echo -e "\033[1;31mERROR!!!: Too old Airflow version $${airflow_version}!\e[0m"
-          echo "The minimum Airflow version supported: $${min_airflow_version}. Only use this or higher!"
-          echo
-          exit 1
-        fi
-        if [[ -z "${AIRFLOW_UID}" ]]; then
-          echo
-          echo -e "\033[1;33mWARNING!!!: AIRFLOW_UID not set!\e[0m"
-          echo "If you are on Linux, you SHOULD follow the instructions below to set "
-          echo "AIRFLOW_UID environment variable, otherwise files will be owned by root."
-          echo "For other operating systems you can get rid of the warning with manually created .env file:"
-          echo "    See: https://airflow.apache.org/docs/apache-airflow/stable/start/docker.html#setting-the-right-airflow-user"
-          echo
-        fi
-        one_meg=1048576
-        mem_available=$$(($$(getconf _PHYS_PAGES) * $$(getconf PAGE_SIZE) / one_meg))
-        cpus_available=$$(grep -cE 'cpu[0-9]+' /proc/stat)
-        disk_available=$$(df / | tail -1 | awk '{print $$4}')
-        warning_resources="false"
-        if (( mem_available < 4000 )) ; then
-          echo
-          echo -e "\033[1;33mWARNING!!!: Not enough memory available for Docker.\e[0m"
-          echo "At least 4GB of memory required. You have $$(numfmt --to iec $$((mem_available * one_meg)))"
-          echo
-          warning_resources="true"
-        fi
-        if (( cpus_available < 2 )); then
-          echo
-          echo -e "\033[1;33mWARNING!!!: Not enough CPUS available for Docker.\e[0m"
-          echo "At least 2 CPUs recommended. You have $${cpus_available}"
-          echo
-          warning_resources="true"
-        fi
-        if (( disk_available < one_meg * 10 )); then
-          echo
-          echo -e "\033[1;33mWARNING!!!: Not enough Disk space available for Docker.\e[0m"
-          echo "At least 10 GBs recommended. You have $$(numfmt --to iec $$((disk_available * 1024 )))"
-          echo
-          warning_resources="true"
-        fi
-        if [[ $${warning_resources} == "true" ]]; then
-          echo
-          echo -e "\033[1;33mWARNING!!!: You have not enough resources to run Airflow (see above)!\e[0m"
-          echo "Please follow the instructions to increase amount of resources available:"
-          echo "   https://airflow.apache.org/docs/apache-airflow/stable/start/docker.html#before-you-begin"
-          echo
-        fi
         mkdir -p /sources/logs /sources/dags /sources/plugins
         chown -R "${AIRFLOW_UID}:0" /sources/{logs,dags,plugins}
         exec /entrypoint airflow version
diff --git a/dockers/eflows-airflow.docker b/dockers/eflows-airflow.docker
index 7aae52533bf7c8155acb76f1fac2eeb3f30ceb54..df0e2737d5b27c6c056c49c5c2e08dec3fac995a 100644
--- a/dockers/eflows-airflow.docker
+++ b/dockers/eflows-airflow.docker
@@ -1,9 +1,11 @@
-FROM apache/airflow:2.2.3
+FROM apache/airflow:2.2.5
 
 USER root
-RUN apt update && apt install git -y
+RUN apt update && apt install git -y && apt clean && rm -rf /var/lib/apt/lists/*
+COPY ./templates/main.html /home/airflow/.local/lib/python3.7/site-packages/airflow/www/templates/airflow/main.html
+COPY ./templates/img/BMBF_gefoerdert_2017_en.jpg /home/airflow/.local/lib/python3.7/site-packages/airflow/www/static/BMBF_gefoerdert_2017_en.jpg
 USER airflow
 
-RUN pip --version 
+RUN pip --version && python -m pip install --upgrade pip
 ADD requirements.txt /requirements.txt
-RUN pip install -r /requirements.txt
+RUN pip install -r /requirements.txt
\ No newline at end of file