Merge branch '22_docker_fedora' into 'master'

Update user and working directory in hands on Docker image.

Closes #22

See merge request !79

docker/Dockerfile.fedora_for_hands_on

@@ -6,8 +6,8 @@ RUN (dnf update -y && dnf upgrade -y -q)
 RUN dnf install -y git cmake clang gcc gcc-c++ ninja-build which hostname make && dnf clean packages
 
 # Create non root user
-ENV USER "formation"
+ENV USER "dev_cpp"
 RUN useradd --create-home ${USER}
 USER ${USER}
 
-WORKDIR /home/${USER}/gettingstartedwithmoderncpp
+WORKDIR /home/${USER}/training_cpp
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