Fix ssl verification error (#2683)

* added ca-certificates package

* updated changelog

CHANGELOG.md

@@ -8,22 +8,29 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [1.3.0-alpha] - Unreleased
 
 ### Added
+
 - CVAT-3D: support lidar data on the server side (<https://github.com/openvinotoolkit/cvat/pull/2534>)
 
 ### Changed
+
 -
 
 ### Deprecated
+
 -
 
 ### Removed
+
 -
 
 ### Fixed
+
 - Kibana startup initialization (<https://github.com/openvinotoolkit/cvat/pull/2659>)
 - The cursor jumps to the end of the line when renaming a task (<https://github.com/openvinotoolkit/cvat/pull/2669>)
+- SSLCertVerificationError when remote source is used (<https://github.com/openvinotoolkit/cvat/pull/2683>)
 
 ### Security
+
 -
 
 ## [1.2.0] - 2020-01-08

Dockerfile

@@ -72,6 +72,7 @@ ENV DJANGO_CONFIGURATION=${DJANGO_CONFIGURATION}
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends install -yq \
         apache2 \
+        ca-certificates \
         libapache2-mod-xsendfile \
         libgomp1 \
         libgl1 \