diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
deleted file mode 100644
index c4939f72..00000000
--- a/.git-blame-ignore-revs
+++ /dev/null
@@ -1,2 +0,0 @@
-# Migrade code style to black and fix of some other linting issues.
-2dc64eeb0082e4dc849d5baaf7a8fbfcf3e5cb15
diff --git a/.local/postgres.sh b/.local/postgres.sh
deleted file mode 100644
index 0f4aa800..00000000
--- a/.local/postgres.sh
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/bin/bash
-
-PGBIN=/usr/lib/postgresql/10/bin
-
-# -w waits until server is up
-PSQL_START_CMD="${PGBIN}/pg_ctl --timeout=180 -w -D ${AIIDALAB_HOME}/.postgresql -l ${AIIDALAB_HOME}/.postgresql/logfile start"
-PSQL_STOP_CMD="${PGBIN}/pg_ctl -w -D ${AIIDALAB_HOME}/.postgresql stop"
-PSQL_STATUS_CMD="${PGBIN}/pg_ctl -D ${AIIDALAB_HOME}/.postgresql status"
-
-# helper function to start psql and wait for it
-#TIMEOUT=20
-#until psql -h localhost template1 -c ";" || [ $TIMEOUT -eq 0 ]; do
-#   echo ">>>>>>>>> Waiting for postgres server, $((TIMEOUT--)) remaining attempts..."
-#   tail -n 50 ${AIIDALAB_HOME}/.postgresql/logfile
-#   sleep 1
-#done
-
-function psql_start {
-    # make DB directory, if not existent
-    if [ ! -d ${AIIDALAB_HOME}/.postgresql ]; then
-       mkdir ${AIIDALAB_HOME}/.postgresql
-       ${PGBIN}/initdb -D ${AIIDALAB_HOME}/.postgresql
-       echo "unix_socket_directories = '${AIIDALAB_HOME}/.postgresql'" >> ${AIIDALAB_HOME}/.postgresql/postgresql.conf
-       ${PSQL_START_CMD}
-       psql -h localhost -d template1 -c "CREATE USER aiida WITH PASSWORD 'aiida_db_passwd';"
-       psql -h localhost -d template1 -c "CREATE DATABASE aiidadb OWNER aiida;"
-       psql -h localhost -d template1 -c "GRANT ALL PRIVILEGES ON DATABASE aiidadb to aiida;"
-
-    # else don't
-    else
-
-        # stores return value in $?
-        running=true
-        ${PSQL_STATUS_CMD} || running=false
-
-        # Postgresql was probably not shutdown properly. Cleaning up the mess...
-        if ! $running ; then
-           echo "" > ${AIIDALAB_HOME}/.postgresql/logfile # empty log files
-           rm -vf ${AIIDALAB_HOME}/.postgresql/.s.PGSQL.5432
-           rm -vf ${AIIDALAB_HOME}/.postgresql/.s.PGSQL.5432.lock
-           rm -vf ${AIIDALAB_HOME}/.postgresql/postmaster.pid
-           ${PSQL_START_CMD}
-       fi
-    fi
-}
-
-function psql_stop {
-    $PSQL_STOP_CMD
-}
diff --git a/.local/start-singleuser.sh b/.local/start-singleuser.sh
deleted file mode 100644
index 9a290f23..00000000
--- a/.local/start-singleuser.sh
+++ /dev/null
@@ -1,130 +0,0 @@
-#!/bin/bash -e
-# This script is executed whenever the docker container is (re)started.
-
-#===============================================================================
-# set aiidalab variables
-export AIIDALAB_HOME=$HOME
-export AIIDALAB_APPS=$HOME/apps
-export AIIDALAB_SCRIPTS=${HOME}/.local
-
-#===============================================================================
-# debugging
-set -x
-
-#===============================================================================
-# start postgresql
-source ${AIIDALAB_SCRIPTS}/postgres.sh
-psql_start
-
-#===============================================================================
-# environment
-export PYTHONPATH=${AIIDALAB_HOME}
-export SHELL=/bin/bash
-
-jupyter nbextension    install --py --sys-prefix fileupload
-jupyter nbextension     enable --py --sys-prefix fileupload
-#===============================================================================
-# setup AiiDA
-aiida_backend=django
-
-if [ ! -d ${AIIDALAB_HOME}/.aiida ]; then
-   verdi setup                          \
-      --non-interactive                 \
-      --email some.body@xyz.com         \
-      --first-name Some                 \
-      --last-name Body                  \
-      --institution XYZ                 \
-      --backend $aiida_backend          \
-      --db_user aiida                   \
-      --db_pass aiida_db_passwd         \
-      --db_name aiidadb                 \
-      --db_host localhost               \
-      --db_port 5432                    \
-      --repo ${AIIDALAB_HOME}/.aiida/repository-default \
-      default
-
-   verdi profile setdefault verdi default
-   verdi profile setdefault daemon default
-   bash -c 'echo -e "y\nsome.body@xyz.com" | verdi daemon configureuser'
-
-   # increase logging level
-   #verdi devel setproperty logging.celery_loglevel DEBUG
-   #verdi devel setproperty logging.aiida_loglevel DEBUG
-
-   # start the daemon verdi daemon start
-
-else
-    if [ $aiida_backend = "django" ]; then
-        verdi daemon stop || true
-        echo "yes" | python /srv/conda/envs/kernel/lib/python2.7/site-packages/aiida/backends/djsite/manage.py --aiida-profile=default migrate
-        verdi daemon start
-    fi
-fi
-
-#===============================================================================
-# setup AiiDA jupyter extension
-if [ ! -e ${AIIDALAB_HOME}/.ipython/profile_default/ipython_config.py ]; then
-   mkdir -p ${AIIDALAB_HOME}/.ipython/profile_default/
-   echo > ${AIIDALAB_HOME}/.ipython/profile_default/ipython_config.py <<EOF
-c = get_config()
-c.InteractiveShellApp.extensions = [
-   'aiida.common.ipython.ipython_magics'
-]
-EOF
-fi
-
-#===============================================================================
-# create bashrc
-if [ ! -e ${AIIDALAB_HOME}/.bashrc ]; then
-   cp -v /etc/skel/.bashrc /etc/skel/.bash_logout /etc/skel/.profile ${AIIDALAB_HOME}/
-   echo 'eval "$(verdi completioncommand)"' >> ${AIIDALAB_HOME}/.bashrc
-   echo 'export PYTHONPATH="${AIIDALAB_HOME}"' >> ${AIIDALAB_HOME}/.bashrc
-fi
-
-# update the list of installed plugins
-grep "reentry scan" ${AIIDALAB_HOME}/.bashrc || echo "reentry scan" >> ${AIIDALAB_HOME}/.bashrc
-
-#===============================================================================
-# install/upgrade apps
-if [ ! -e ${AIIDALAB_APPS} ]; then
-   mkdir ${AIIDALAB_APPS}
-   touch ${AIIDALAB_APPS}/__init__.py
-   git clone https://github.com/materialscloud-org/mc-home ${AIIDALAB_APPS}/home
-#   git clone https://github.com/aiidalab/aiidalab-widgets-base.git ${AIIDALAB_APPS}/aiidalab-widgets-base
-
-fi
-
-# setup localhost and codes
-
-compname=localhost
-codename=pw
-codeplugin=quantumespresso.pw
-codexec=pw.x
-codepath=`which $codexec`
-
-verdi computer show ${compname} || ( echo "${compname}
-localhost
-this computer
-True
-local
-direct
-#!/bin/bash
-/home/{username}/aiida_run/
-mpirun -np {tot_num_mpiprocs}
-1" | verdi computer setup && verdi computer configure ${compname} )
-
-# Quantum Espresso
-verdi code show ${codename}@${compname} || echo "${codename}
-pw.x on this computer
-False
-${codeplugin}
-${compname}
-${codepath}" | verdi code setup
-
-# import pseudo family for QE
-base_url=http://archive.materialscloud.org/file/2018.0001/v1
-pseudo_name=SSSP_efficiency_pseudos
-wget ${base_url}/${pseudo_name}.aiida
-verdi import ${pseudo_name}.aiida
-
-##EOF
diff --git a/apt.txt b/apt.txt
deleted file mode 100644
index e8b32d9e..00000000
--- a/apt.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-graphviz
-postgresql
-quantum-espresso
-vim
diff --git a/jupyter-config/jupyter_notebook_config.d/aiidalab.json b/jupyter-config/jupyter_notebook_config.d/aiidalab.json
deleted file mode 100644
index 30945d32..00000000
--- a/jupyter-config/jupyter_notebook_config.d/aiidalab.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "NotebookApp": {
-    "nbserver_extensions": {
-      "appmode.server_extension": true
-    }
-  }
-}
diff --git a/jupyter-config/nbconfig/notebook.d/aiidalab.json b/jupyter-config/nbconfig/notebook.d/aiidalab.json
deleted file mode 100644
index 67621933..00000000
--- a/jupyter-config/nbconfig/notebook.d/aiidalab.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "load_extensions": {
-    "bqplot/extension": true,
-    "jupyter-js-widgets/extension": true,
-    "jupyter-matplotlib/extension": true,
-    "nglview-js-widgets/extension": true,
-    "appmode/main": true,
-    "jupyter-threejs/extension": true,
-    "fileupload/extension": true
-  }
-}
diff --git a/parameters/bands.yaml b/parameters/bands.yaml
deleted file mode 100644
index 787380a8..00000000
--- a/parameters/bands.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
----
-SYSTEM:
-    ecutwfc: 50.0
-    ecutrho: 200.0
diff --git a/parameters/relax.yaml b/parameters/relax.yaml
deleted file mode 100644
index cdaa2dc7..00000000
--- a/parameters/relax.yaml
+++ /dev/null
@@ -1,6 +0,0 @@
----
-CONTROL:
-    calculation: vc-relax
-SYSTEM:
-    ecutwfc: 50.0
-    ecutrho: 200.0
diff --git a/postBuild b/postBuild
deleted file mode 100644
index a65133ca..00000000
--- a/postBuild
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-#jupyter nbextension     enable --py --sys-prefix appmode
-#jupyter serverextension enable --py --sys-prefix appmode
-#jupyter nbextension    install --py --sys-prefix fileupload
-#jupyter nbextension     enable --py --sys-prefix fileupload
-reentry scan
-
-# set up AiiDA profile
-source .local/start-singleuser.sh
-
-echo "source activate kernel" >> ${AIIDA_HOME}/.bashrc
-
-# make aiida demos discoverable by home app
-ln -s ${AIIDALAB_HOME} ${AIIDALAB_APPS}/aiida_demos
-
-# stop postgres properly (makes restart faster)
-psql_stop
diff --git a/post_install b/post_install
index aba184d6..5a251b0e 100755
--- a/post_install
+++ b/post_install
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# This script is executed after the app installation completes
+# triggered by the post install hook implemented in https://github.com/aiidalab/aiidalab/pull/295
+
 echo "Starting installation of QE..."
 python -m aiidalab_qe install-qe & disown
 
diff --git a/start b/start
deleted file mode 100644
index a5a4274e..00000000
--- a/start
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-set -ex
-
-# this also sets environment variables
-source activate kernel
-source .local/start-singleuser.sh
-
-exec "$@"