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netbox-docker/Dockerfile

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Refactor to multistage builds This commit introduces a huge change in the build process. What changed: - Dockerfile.ldap was integrated into Dockerfile as a seperate [build stage][multistage-build]. - All the build scripts were refactored according to this. - The `docker-compose.yml` file was adjusted likewise. - The main build script, `/build.sh`, now always builds all targets (formerly called variants). - The minimal requirements for Docker and docker-compose have increased. - The build on hub.docker.com must be adjusted. This change should also fix #156 permanently. [multistage-build]: https://docs.docker.com/develop/develop-images/multistage-build/
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ARG FROM=python:3.7-alpine
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FROM ${FROM} as builder
Copied Docker components from main repo
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Reworked the Dockerfile with alpinelinux
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RUN apk add --no-cache \
bash \
build-base \
ca-certificates \
cyrus-sasl-dev \
graphviz \
jpeg-dev \
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libevent-dev \
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libffi-dev \
libxslt-dev \
openldap-dev \
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postgresql-dev
WORKDIR /install
🔼 Introduces a more recent gunicorn
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RUN pip install --install-option="--prefix=/install" \
✨ Include Initializers Initializers are startup scripts for common tasks like creating custom fields. These are problems many users of Netbox Docker potentially face and are therefore worth sharing.
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# gunicorn is used for launching netbox
gunicorn \
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greenlet \
eventlet \
Adding in support for NAPALM
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# napalm is used for gathering information from network devices
napalm \
✨ Include Initializers Initializers are startup scripts for common tasks like creating custom fields. These are problems many users of Netbox Docker potentially face and are therefore worth sharing.
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# ruamel is used in startup_scripts
fix AttributeError for ruamel.yaml
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'ruamel.yaml>=0.15,<0.16' \
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# django_auth_ldap is required for ldap
django_auth_ldap
Checkout the repository with git This changes the build process even further. Instead f using `wget` to fetch the current code, `git` is used. This allows for faster switching between branches, because only the differences between them have to be fetched from the server. But the main advantage is that the build cache can finally be used as designed by Docker. Repetitive builds are very fast now. This is also true between branches and tags, as long as the `requirements.txt` file doesn't change.
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ARG NETBOX_PATH
COPY ${NETBOX_PATH}/requirements.txt /
Remove trailing space in Dockerfile
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RUN pip install --install-option="--prefix=/install" -r /requirements.txt
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###
# Main stage
###
ARG FROM
FROM ${FROM} as main
RUN apk add --no-cache \
bash \
ca-certificates \
graphviz \
libevent \
libffi \
libjpeg-turbo \
libressl \
libxslt \
postgresql-libs \
ttf-ubuntu-font-family
Adding REF to GitHub repo HEAD for cache busting After installing requirements, check if HEAD has changed and bust cache for RUN instruction for wget archive
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Explain caching strategy in Dockerfile comments
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WORKDIR /opt
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COPY --from=builder /install /usr/local
Checkout the repository with git This changes the build process even further. Instead f using `wget` to fetch the current code, `git` is used. This allows for faster switching between branches, because only the differences between them have to be fetched from the server. But the main advantage is that the build cache can finally be used as designed by Docker. Repetitive builds are very fast now. This is also true between branches and tags, as long as the `requirements.txt` file doesn't change.
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ARG NETBOX_PATH
COPY ${NETBOX_PATH} /opt/netbox
Reworked the Dockerfile with alpinelinux
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🐞 The upstream repo remove the docker config .. so I copied it over to this repo.
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COPY docker/configuration.docker.py /opt/netbox/netbox/netbox/configuration.py
Move config to /etc/netbox/config (Fixes #54) With this the configuration is moved to /etc/netbox/config and the default reports directory is set to /etc/netbox/reports. This enables the user to mount reports from a config map or persistent volume in OpenShift.
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COPY configuration/gunicorn_config.py /etc/netbox/config/
Added nginx.conf netbox image Without it, the nginx container of the docker-compose.yml refuses to start.
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COPY docker/nginx.conf /etc/netbox-nginx/nginx.conf
Explain caching strategy in Dockerfile comments
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COPY docker/docker-entrypoint.sh /opt/netbox/docker-entrypoint.sh
🐞 Be More Explicit On Paths
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COPY startup_scripts/ /opt/netbox/startup_scripts/
COPY initializers/ /opt/netbox/initializers/
Move config to /etc/netbox/config (Fixes #54) With this the configuration is moved to /etc/netbox/config and the default reports directory is set to /etc/netbox/reports. This enables the user to mount reports from a config map or persistent volume in OpenShift.
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COPY configuration/configuration.py /etc/netbox/config/configuration.py
Copied Docker components from main repo
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🐳 Change to the actual workdir
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WORKDIR /opt/netbox/netbox
✨ Include Initializers Initializers are startup scripts for common tasks like creating custom fields. These are problems many users of Netbox Docker potentially face and are therefore worth sharing.
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ENTRYPOINT [ "/opt/netbox/docker-entrypoint.sh" ]
Copied Docker components from main repo
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♻️ Make netbox-worker it's own container One container should ideally have one responsibility [1]. Therefore I implemented the netbox-worker to start in it's own container. This is possible, because netbox and the worker communicate via redis anyway. They still use the same image underneath, just the "command" they execute while starting different. Or in other words: I see no reason to introduce supervisord, when we already have docker-compose which can take care of running multiple processes. Also, here's another benefit: Now it's possible to view the logs of the webhook worker independently of the other netbox logs (and vice-versa). Other changes in this commit: * I don't see a reason to put a password for Redis in the docker-compose setup, so I removed it. * Slightly changed the nginx config, so that the nginx startup command becomes simpler and any error should be visible in the docker log. * Some housekeeping in the `Dockerfile`. * Added some troubleshooting advice regarding webhooks to the README. I'd like to thank Brady (@bdlamprecht [2]) here who did the harder work of figuring out what's even required to have webhooks working. [3] [1] https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#decouple-applications [2] https://github.com/bdlamprecht [3] https://github.com/ninech/netbox-docker/pull/90
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CMD ["gunicorn", "-c /etc/netbox/config/gunicorn_config.py", "netbox.wsgi"]
❇️ Adds new options to the build script
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Checkout the repository with git This changes the build process even further. Instead f using `wget` to fetch the current code, `git` is used. This allows for faster switching between branches, because only the differences between them have to be fetched from the server. But the main advantage is that the build cache can finally be used as designed by Docker. Repetitive builds are very fast now. This is also true between branches and tags, as long as the `requirements.txt` file doesn't change.
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LABEL NETBOX_DOCKER_PROJECT_VERSION="custom build" \
NETBOX_BRANCH="custom build" \
ORIGINAL_DOCKER_TAG="custom build" \
NETBOX_GIT_COMMIT="not built from git" \
NETBOX_GIT_URL="not built from git"
externalize netbox download with wget
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Refactor to multistage builds This commit introduces a huge change in the build process. What changed: - Dockerfile.ldap was integrated into Dockerfile as a seperate [build stage][multistage-build]. - All the build scripts were refactored according to this. - The `docker-compose.yml` file was adjusted likewise. - The main build script, `/build.sh`, now always builds all targets (formerly called variants). - The minimal requirements for Docker and docker-compose have increased. - The build on hub.docker.com must be adjusted. This change should also fix #156 permanently. [multistage-build]: https://docs.docker.com/develop/develop-images/multistage-build/
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#####
externalize netbox download with wget
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## LDAP specific configuration
Refactor to multistage builds This commit introduces a huge change in the build process. What changed: - Dockerfile.ldap was integrated into Dockerfile as a seperate [build stage][multistage-build]. - All the build scripts were refactored according to this. - The `docker-compose.yml` file was adjusted likewise. - The main build script, `/build.sh`, now always builds all targets (formerly called variants). - The minimal requirements for Docker and docker-compose have increased. - The build on hub.docker.com must be adjusted. This change should also fix #156 permanently. [multistage-build]: https://docs.docker.com/develop/develop-images/multistage-build/
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#####
FROM main as ldap
externalize netbox download with wget
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RUN apk add --no-cache \
libsasl \
libldap \
util-linux
Refactor to multistage builds This commit introduces a huge change in the build process. What changed: - Dockerfile.ldap was integrated into Dockerfile as a seperate [build stage][multistage-build]. - All the build scripts were refactored according to this. - The `docker-compose.yml` file was adjusted likewise. - The main build script, `/build.sh`, now always builds all targets (formerly called variants). - The minimal requirements for Docker and docker-compose have increased. - The build on hub.docker.com must be adjusted. This change should also fix #156 permanently. [multistage-build]: https://docs.docker.com/develop/develop-images/multistage-build/
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COPY docker/ldap_config.docker.py /opt/netbox/netbox/netbox/ldap_config.py
COPY configuration/ldap_config.py /etc/netbox/config/ldap_config.py
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