Add gitpod configuration

Author: dcermak

.gitpod.yml

@@ -0,0 +1,21 @@
+---
+image:
+  file: Dockerfile
+
+tasks:
+  - name: Build the documentation and serve the html
+    before: daps -d DC-opensuse-all html
+    command: python3.9 -m http.server -d build
+ports:
+  - port: 8000
+    onOpen: open-browser
+
+vscode:
+  extensions:
+    - asciidoctor.asciidoctor-vscode
+    - mrorz.language-gettext
+    - redhat.vscode-xml
+    - EditorConfig.EditorConfig
+    - stkb.Rewrap
+    - viktorzetterstrom.non-breaking-space-highlighter
+    - xshrim.txt-syntax

Dockerfile

@@ -0,0 +1,24 @@
+FROM registry.opensuse.org/documentation/containers/containers/opensuse-daps-toolchain:latest
+
+RUN zypper --gpg-auto-import-keys -n ref && zypper -n in sudo system-group-wheel itstool python39
+
+### Gitpod user ###
+# '-l': see https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#user
+RUN groupadd -g 33333 gitpod && \
+    useradd -l -u 33333 -g 33333 -G wheel -md /home/gitpod -s /bin/bash -p gitpod gitpod && \
+    # passwordless sudo for users in the 'wheel' group
+    echo "%wheel ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers.d/00-wheel-group-nopasswd
+
+ENV HOME=/home/gitpod
+WORKDIR $HOME
+# custom Bash prompt
+RUN { echo && echo ". /etc/bash_completion.d/git-prompt.sh" && echo "PS1='\[\033[01;32m\]\u\[\033[00m\] \[\033[01;34m\]\w\[\033[00m\]\$(__git_ps1 \" (%s)\") $ '" ; } >> .bashrc
+
+### Gitpod user (2) ###
+USER gitpod
+# use sudo so that user does not get sudo usage info on (the first) login
+RUN sudo echo "Running 'sudo' for Gitpod: success" && \
+    # create .bashrc.d folder and source it in the bashrc
+    mkdir -p /home/gitpod/.bashrc.d && \
+    (echo; echo "for i in \$(ls -A \$HOME/.bashrc.d/); do source \$HOME/.bashrc.d/\$i; done"; echo) >> /home/gitpod/.bashrc
+