diff --git a/Dockerfile b/Dockerfile
index cb5da2f40539..9afb24ae1124 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM python:3.6.9-jessie
 
 ARG http_proxy
 ARG https_proxy
@@ -19,29 +19,33 @@ ARG USER
 ARG DJANGO_CONFIGURATION
 ENV DJANGO_CONFIGURATION=${DJANGO_CONFIGURATION}
 
+# Install ffmpeg on debian jessie (https://www.deb-multimedia.org/)
+# It is not available on official repositories (https://wiki.debian.org/ffmpeg)
+RUN echo "deb http://www.deb-multimedia.org jessie main non-free" > /etc/apt/sources.list.d/deb-multimedia.list && \
+  apt-get update && \
+  apt-get install -yq --force-yes \
+      deb-multimedia-keyring && \
+  apt-get update && \
+  apt-get install -yq \
+      ffmpeg \
+      gstreamer0.10-ffmpeg && \
+  apt-get clean && \
+  rm -rf /var/lib/apt/lists/*
+
 # Install necessary apt packages
 RUN apt-get update && \
     apt-get install -yq \
-        python-software-properties \
         software-properties-common \
         wget && \
-    add-apt-repository ppa:mc3man/xerus-media -y && \
-    add-apt-repository ppa:mc3man/gstffmpeg-keep -y && \
-    apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -yq \
         apache2 \
         apache2-dev \
         libapache2-mod-xsendfile \
-        supervisor \
-        ffmpeg \
-        gstreamer0.10-ffmpeg \
         libldap2-dev \
         libsasl2-dev \
-        python3-dev \
-        python3-pip \
         tzdata \
         unzip \
-        unrar \
+        unrar-free \
         p7zip-full \
         vim \
         git-core \
@@ -50,8 +54,6 @@ RUN apt-get update && \
     pip3 install -U setuptools && \
     ln -fs /usr/share/zoneinfo/${TZ} /etc/localtime && \
     dpkg-reconfigure -f noninteractive tzdata && \
-    add-apt-repository --remove ppa:mc3man/gstffmpeg-keep -y && \
-    add-apt-repository --remove ppa:mc3man/xerus-media -y && \
     rm -rf /var/lib/apt/lists/*
 
 # Add a non-root user
@@ -115,7 +117,7 @@ RUN if [ "$WITH_TESTS" = "yes" ]; then \
 # Install and initialize CVAT, copy all necessary files
 COPY cvat/requirements/ /tmp/requirements/
 COPY supervisord.conf mod_wsgi.conf wait-for-it.sh manage.py ${HOME}/
-RUN pip3 install --no-cache-dir -r /tmp/requirements/${DJANGO_CONFIGURATION}.txt
+RUN pip3 install -r /tmp/requirements/${DJANGO_CONFIGURATION}.txt
 # pycocotools package is impossible to install with its dependencies by one pip install command
 RUN pip3 install --no-cache-dir pycocotools==2.0.0
 
@@ -167,7 +169,7 @@ RUN chown -R ${USER}:${USER} .
 USER ${USER}
 
 RUN mkdir data share media keys logs /tmp/supervisord
-RUN python3 manage.py collectstatic
+RUN python3 manage.py collectstatic || python3 manage.py collectstatic
 
 EXPOSE 8080 8443
-ENTRYPOINT ["/usr/bin/supervisord"]
+ENTRYPOINT ["supervisord"]
diff --git a/Dockerfile.ui b/Dockerfile.ui
index c5939296849e..642d382d9ce1 100644
--- a/Dockerfile.ui
+++ b/Dockerfile.ui
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04 AS cvat-ui
+FROM node:10.16.3-buster-slim AS cvat-ui
 
 ARG http_proxy
 ARG https_proxy
@@ -14,10 +14,6 @@ ENV TERM=xterm \
 ENV LANG='C.UTF-8'  \
     LC_ALL='C.UTF-8'
 
-# Install necessary apt packages
-RUN apt update && apt install -yq nodejs npm curl && \
-    npm install -g n && n 10.16.3
-
 # Create output directories
 RUN mkdir /tmp/cvat-ui /tmp/cvat-core
 
diff --git a/cvat/requirements/base.txt b/cvat/requirements/base.txt
index 3c8c5d52617d..9a4d308fca20 100644
--- a/cvat/requirements/base.txt
+++ b/cvat/requirements/base.txt
@@ -47,3 +47,4 @@ h5py==2.9.0
 imgaug==0.2.9
 django-cors-headers==3.0.2
 furl==2.0.0
+supervisor==4.1.0
diff --git a/cvat/requirements/production.txt b/cvat/requirements/production.txt
index 340e26bed754..a7edbe9bbe84 100644
--- a/cvat/requirements/production.txt
+++ b/cvat/requirements/production.txt
@@ -1,3 +1,3 @@
 -r base.txt
 psycopg2-binary==2.7.4
-mod-wsgi==4.6.2
\ No newline at end of file
+mod-wsgi==4.6.2
diff --git a/supervisord.conf b/supervisord.conf
index d5e222d2a99b..3c1485302d55 100644
--- a/supervisord.conf
+++ b/supervisord.conf
@@ -24,26 +24,26 @@ autorestart=true
 
 [program:rqworker_default]
 command=%(ENV_HOME)s/wait-for-it.sh redis:6379 -t 0 -- bash -ic \
-    "exec /usr/bin/python3 %(ENV_HOME)s/manage.py rqworker -v 3 default"
+    "exec python3 %(ENV_HOME)s/manage.py rqworker -v 3 default"
 environment=SSH_AUTH_SOCK="/tmp/ssh-agent.sock"
 numprocs=2
 process_name=rqworker_default_%(process_num)s
 
 [program:rqworker_low]
 command=%(ENV_HOME)s/wait-for-it.sh redis:6379 -t 0 -- bash -ic \
-    "exec /usr/bin/python3 %(ENV_HOME)s/manage.py rqworker -v 3 low"
+    "exec python3 %(ENV_HOME)s/manage.py rqworker -v 3 low"
 environment=SSH_AUTH_SOCK="/tmp/ssh-agent.sock"
 numprocs=1
 
 [program:git_status_updater]
 command=%(ENV_HOME)s/wait-for-it.sh redis:6379 -t 0 -- bash -ic \
-    "/usr/bin/python3 ~/manage.py update_git_states"
+    "python3 ~/manage.py update_git_states"
 environment=SSH_AUTH_SOCK="/tmp/ssh-agent.sock"
 numprocs=1
 
 [program:rqscheduler]
 command=%(ENV_HOME)s/wait-for-it.sh redis:6379 -t 0 -- bash -ic \
-    "/usr/bin/python3 /usr/local/bin/rqscheduler --host redis -i 30"
+    "python3 /usr/local/bin/rqscheduler --host redis -i 30"
 environment=SSH_AUTH_SOCK="/tmp/ssh-agent.sock"
 numprocs=1
 
@@ -54,9 +54,9 @@ numprocs=1
 ; with docker cache. Thus it is necessary to run collectstatic here for such
 ; apps.
 command=%(ENV_HOME)s/wait-for-it.sh db:5432 -t 0 -- bash -ic \
-    "/usr/bin/python3 ~/manage.py migrate && \
-    /usr/bin/python3 ~/manage.py collectstatic --no-input && \
-    exec /usr/bin/python3 $HOME/manage.py runmodwsgi --log-to-terminal --port 8080 \
+    "python3 ~/manage.py migrate && \
+    python3 ~/manage.py collectstatic --no-input && \
+    exec python3 $HOME/manage.py runmodwsgi --log-to-terminal --port 8080 \
     --limit-request-body 1073741824 --log-level INFO --include-file ~/mod_wsgi.conf \
     %(ENV_DJANGO_MODWSGI_EXTRA_ARGS)s --locale %(ENV_LC_ALL)s"
 environment=SSH_AUTH_SOCK="/tmp/ssh-agent.sock"