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Merge pull request #2125 from gquintard/varnish_tmpfs 

[varnish] adjust the tmpfs directory for permission reasons
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Tianon Gravi 2022-03-29 09:53:06 -07:00 committed by GitHub
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@ -25,7 +25,7 @@ Then run:
```console ```console
# we need both a configuration file at /etc/varnish/default.vcl # we need both a configuration file at /etc/varnish/default.vcl
# and our workdir to be mounted as tmpfs to avoid disk I/O # and our workdir to be mounted as tmpfs to avoid disk I/O
$ docker run -v /path/to/default.vcl:/etc/varnish/default.vcl:ro --tmpfs /var/lib/varnish:exec %%IMAGE%% $ docker run -v /path/to/default.vcl:/etc/varnish/default.vcl:ro --tmpfs /var/lib/varnish/varnishd:exec %%IMAGE%%
``` ```
Alternatively, a simple `Dockerfile` can be used to generate a new image that includes the necessary `default.vcl` (which is a much cleaner solution than the bind mount above): Alternatively, a simple `Dockerfile` can be used to generate a new image that includes the necessary `default.vcl` (which is a much cleaner solution than the bind mount above):
@ -39,7 +39,7 @@ COPY default.vcl /etc/varnish/
Place this file in the same directory as your `default.vcl`, run `docker build -t my-varnish .`, then start your container: Place this file in the same directory as your `default.vcl`, run `docker build -t my-varnish .`, then start your container:
```console ```console
$ docker --tmpfs /var/lib/varnish:exec my-varnish $ docker --tmpfs /var/lib/varnish/varnishd:exec my-varnish
``` ```
## Reloading the configuration ## Reloading the configuration
@ -64,14 +64,14 @@ docker run varnish varnishreload -h
By default, the containers will use a cache size of 100MB, which is usually a bit too small, but you can quickly set it through the `VARNISH_SIZE` environment variable: By default, the containers will use a cache size of 100MB, which is usually a bit too small, but you can quickly set it through the `VARNISH_SIZE` environment variable:
```console ```console
$ docker run --tmpfs /var/lib/varnish:exec -e VARNISH_SIZE=2G %%IMAGE%% $ docker run --tmpfs /var/lib/varnish/varnishd:exec -e VARNISH_SIZE=2G %%IMAGE%%
``` ```
Additionally, you can add arguments to `docker run` after `%%IMAGE%%`, if the first one starts with a `-`, they will be appendend to the [default command](https://github.com/varnish/docker-varnish/blob/master/docker-varnish-entrypoint#L8): Additionally, you can add arguments to `docker run` after `%%IMAGE%%`, if the first one starts with a `-`, they will be appendend to the [default command](https://github.com/varnish/docker-varnish/blob/master/docker-varnish-entrypoint#L8):
```console ```console
# extend the default keep period # extend the default keep period
$ docker run --tmpfs /var/lib/varnish:exec -e VARNISH_SIZE=2G %%IMAGE%% -p default_keep=300 $ docker run --tmpfs /var/lib/varnish/varnishd:exec -e VARNISH_SIZE=2G %%IMAGE%% -p default_keep=300
``` ```
If your first argument after `%%IMAGE%%` doesn't start with `-`, it will be interpreted as a command to override the default one: If your first argument after `%%IMAGE%%` doesn't start with `-`, it will be interpreted as a command to override the default one:
@ -90,7 +90,7 @@ $ docker run %%IMAGE%% varnishd -a :8080 -b 127.0.0.1:8181 -t 600 -p feature=+ht
## Exposing the port ## Exposing the port
```console ```console
$ docker run --name my-running-varnish --tmpfs /var/lib/varnish:exec -d -p 8080:80 my-varnish $ docker run --name my-running-varnish --tmpfs /var/lib/varnish/varnishd:exec -d -p 8080:80 my-varnish
``` ```
Then you can hit `http://localhost:8080` or `http://host-ip:8080` in your browser. Then you can hit `http://localhost:8080` or `http://host-ip:8080` in your browser.