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feat(docker): modernize Dockerfile, add runit init script, and provide docker-compose setup

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- Add python3-libvirt to apt and configure --system-site-packages for zero-compilation build
- Introduce 10_webvirtcloud_init.sh to handle container startup, migrations, and SQLite persistence
- Exclude host settings.py in .dockerignore for clean builds from settings.py.template
- Add docker-compose.yml with persistent data and SSH volume mounts
- Document Docker Compose deployment in README.md
This commit is contained in:
catborise 2026-09-25 21:58:19 +03:00
parent 56fdd07802
commit b1a843e846
5 changed files with 117 additions and 15 deletions
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42
Dockerfile
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@ -6,7 +6,6 @@ EXPOSE 6080
# Use baseimage-docker's init system.
CMD ["/sbin/my_init"]
RUN echo 'APT::Get::Clean=always;' >> /etc/apt/apt.conf.d/99AutomaticClean
RUN apt-get update -qqy \
@ -14,8 +13,10 @@ RUN apt-get update -qqy \
--no-install-recommends \
git \
python3-venv \
python3-pip \
python3-dev \
python3-lxml \
python3-libvirt \
libvirt-dev \
zlib1g-dev \
nginx \
@ -30,42 +31,53 @@ RUN apt-get update -qqy \
# Setup webvirtcloud
WORKDIR /srv/webvirtcloud
# Install Python dependencies first to leverage Docker layer caching
# Install Python dependencies first with system-site-packages to leverage prebuilt bindings
COPY conf/requirements.txt conf/requirements.txt
RUN python3 -m venv venv && \
RUN python3 -m venv --system-site-packages venv && \
. venv/bin/activate && \
pip3 install -U pip && \
pip3 install wheel && \
pip3 install -U pip wheel && \
pip3 install -r conf/requirements.txt && \
pip3 cache purge
# Copy application source
COPY . /srv/webvirtcloud
# Setup build-time settings, run collectstatic, and set permissions
RUN . venv/bin/activate && \
python3 manage.py makemigrations && \
python3 manage.py migrate && \
if [ ! -f webvirtcloud/settings.py ]; then \
cp webvirtcloud/settings.py.template webvirtcloud/settings.py && \
python3 -c 'import secrets; print(secrets.token_urlsafe(50))' > /tmp/secret_key && \
sed -i "s|^SECRET_KEY = .*|SECRET_KEY = \"$(cat /tmp/secret_key)\"|" webvirtcloud/settings.py && \
rm -f /tmp/secret_key; \
fi && \
python3 manage.py collectstatic --noinput && \
chown -R www-data:www-data /srv/webvirtcloud
# Setup Nginx
RUN printf "\n%s" "daemon off;" >> /etc/nginx/nginx.conf && \
rm /etc/nginx/sites-enabled/default && \
rm -f /etc/nginx/sites-enabled/default && \
chown -R www-data:www-data /var/lib/nginx
COPY conf/nginx/webvirtcloud.conf /etc/nginx/conf.d/
# Register services to runit
RUN mkdir /etc/service/nginx && \
mkdir /etc/service/nginx-log-forwarder && \
mkdir /etc/service/webvirtcloud && \
mkdir /etc/service/novnc
# Register startup init script and services to runit
RUN mkdir -p /etc/my_init.d \
/etc/service/nginx \
/etc/service/nginx-log-forwarder \
/etc/service/webvirtcloud \
/etc/service/novnc
COPY conf/runit/10_webvirtcloud_init.sh /etc/my_init.d/10_webvirtcloud_init.sh
COPY conf/runit/nginx /etc/service/nginx/run
COPY conf/runit/nginx-log-forwarder /etc/service/nginx-log-forwarder/run
COPY conf/runit/novncd.sh /etc/service/novnc/run
COPY conf/runit/webvirtcloud.sh /etc/service/webvirtcloud/run
RUN chmod +x /etc/my_init.d/10_webvirtcloud_init.sh \
/etc/service/nginx/run \
/etc/service/nginx-log-forwarder/run \
/etc/service/novnc/run \
/etc/service/webvirtcloud/run
# Define mountable directories.
#VOLUME []
# Declare mountable data directory for persistent SQLite and SSH keys
VOLUME ["/srv/webvirtcloud/data", "/var/www/.ssh"]
WORKDIR /srv/webvirtcloud