docker-openresty - Docker tooling for OpenResty

Supported tags and respective `Dockerfile` links

The following "flavors" are available and built from upstream OpenResty packages:

The following "flavors" are built from source and are intended for more advanced and custom usage, caveat emptor:

alpine, (alpine/Dockerfile) - AMD64 and ARM64v8
alpine-fat, (alpine/Dockerfile.fat) - AMD64 and ARM64v8
bionic, (bionic/Dockerfile)
focal, (focal/Dockerfile)

Starting with 1.13.6.1, releases are tagged with <openresty-version>-<image-version>-<flavor>. The latest image-version will also be tagged <openresty-version>-<flavor>. The HEAD of the master branch is also labeled plainly as <flavor>. The builds are managed by Travis-CI and Appveyor (for Windows images).

OpenResty supports SSE 4.2 optimizations. Starting with the 1.19.3.1 series, the architecture is auto-detected and the optimizations enabled accordingly. Earlier image series 1.15.8.1 and 1.17.8.2 have -nosse42 image flavors for systems which explicitly disable SSE 4.2 support; this is useful for older systems and embedded systems. They are built with -mno-sse4.2 appended to the build arg RESTY_LUAJIT_OPTIONS. It is highly recommended NOT to use these if your system supports SSE 4.2 because the CRC32 instruction dramatically improves large string performance. These are only for built-from-source flavors, e.g. 1.15.8.1-3-bionic-nosse42, 1.15.8.1-3-alpine-nosse42, 1.15.8.1-3-alpine-fat-nosse42.

It is highly recommended that you use the upstream-based images for best support. For best stability, pin your images to the full tag, for example 1.19.3.1-1-bionic.

At this time, the only images that are compatible with ARM64v8 are alpine and alpine-fat. Once there are binary packages available, they can be released with the upstream packages.

Description

docker-openresty is Docker tooling for OpenResty (https://www.openresty.org).

Docker is a container management platform.

OpenResty is a full-fledged web application server by bundling the standard nginx core, lots of 3rd-party nginx modules, as well as most of their external dependencies.

Usage

If you are happy with the build defaults, then you can use the openresty image from the Docker Hub. The image tags available there are listed at the top of this README.

docker run [options] openresty/openresty:buster-fat

[options] would be things like -p to map ports, -v to map volumes, and -d to daemonize.

docker-openresty symlinks /usr/local/openresty/nginx/logs/access.log and error.log to /dev/stdout and /dev/stderr respectively, so that Docker logging works correctly. If you change the log paths in your nginx.conf, you should symlink those paths as well. This is not possible with the windows image.

Temporary directories such as client_body_temp_path are stored in /var/run/openresty/. You may consider mounting that volume, rather than writing to a container-local directory. This is not done for windows.

Nginx Config Files

The Docker tooling installs its own nginx.conf file. If you want to directly override it, you can replace it in your own Dockerfile or via volume bind-mounting.

For the Linux images, that nginx.conf has the directive include /etc/nginx/conf.d/*.conf; so all nginx configurations in that directory will be included. The default virtual host configuration has the original OpenResty configuration and is copied to /etc/nginx/conf.d/default.conf.

You can override that default.conf directly or volume bind-mount the /etc/nginx/conf.d directory to your own set of configurations:

docker run -v /my/custom/conf.d:/etc/nginx/conf.d openresty/openresty:alpine

If you are running on an selinux host (e.g. CentOS), you may need to add :Z to your volume bind-mount argument:

docker run -v /my/custom/conf.d:/etc/nginx/conf.d:Z openresty/openresty:alpine

When using the windows image you can change the main configuration directly:

docker run -v C:/my/custom/nginx.conf:C:/openresty/conf/nginx.conf openresty/openresty:windows

OPM

Starting at version 1.11.2.2, OpenResty for Linux includes a package manager called opm, which can be found at /usr/local/openresty/bin/opm.

opm is built in all the images except alpine and buster.

To use opm in the alpine image, you must also install the curl and perl packages; they are not included by default because they double the image size. You may install them like so: apk add --no-cache curl perl.

To use opm within the buster image, you can either use the buster-fat image or install the openresty-opm package in a custom build (which you would need to do to install your own opm packages anyway), as shown in this example.

LuaRocks

LuaRocks is included in the alpine-fat, centos, and bionic variants. It is excluded from alpine because it generally requires a build system and we want to keep that variant lean.

It is available at /usr/local/openresty/luajit/bin/luarocks. Packages can be added in your dependent Dockerfiles like so:

RUN /usr/local/openresty/luajit/bin/luarocks install <rock>

Tips & Pitfalls

The envsubst utility is included in all images except alpine and windows; this utility is also included in the Nginx docker image and is used to template environment variables into configuration files.
Docker Hub does not currently support ARM builds, thus an armhf-bionic image is not available (See #26). You can build an image yourself using the RESTY_DEBIAN_BASE build argument:

docker build -f bionic/Dockerfile --build-arg "RESTY_DEBIAN_BASE=armv7/armhf-ubuntu" .

By default, OpenResty is built with SSE4.2 optimizations if the build machine supports it. If run on machine without SSE4.2, there will be invalid opcode issues. Thus all the Docker Hub images require SSE4.2. You can build a custom image from source explicitly without SSE4.2 support, using build arguments like so:

docker build -f bionic/Dockerfile --build-arg "RESTY_LUAJIT_OPTIONS=--with-luajit-xcflags='-DLUAJIT_NUMMODE=2 -DLUAJIT_ENABLE_LUA52COMPAT -mno-sse4.2'" .

OpenResty's OpenSSL library version must be compatible with your opm and LuaRocks packages' version. At minimum, the numeric portion should be the same (e.g. 1.1.1). The image label resty_openssl_version indicates this value. see Labels.
The 1.13.6.2-alpine is built from OpenSSL 1.0.2r because of build issues on Alpine. 1.15.8.1-alpine and later are built from OpenSSL 1.1.1 series.
Windows images must be built from the same version as the host system it runs on. See Windows container version compatibility. Our images are currently built from the "Windows Server 2016" series.
The SIGQUIT signal will be sent to nginx to stop this container, to give it an opportunity to stop gracefully (i.e, finish processing active connections). The Docker default is SIGTERM, which immediately terminates active connections. Note that if your configuration listens on UNIX domain sockets, this means that you'll need to manually remove the socket file upon shutdown, due to nginx bug #753.
Alpine 3.9 added OpenSSL 1.1.1 and we build images against this. OpenSSL 1.1.1 enabled TLS 1.3 by default, which can create unexpected behavior with ssl_session_(store|fetch)_by_lua*. See this patch, which will ship in OpenResty 1.17.x.1, for more information: https://github.com/openresty/lua-nginx-module/commit/d3dbc0c8102a9978d649c99e3261d93aac547378

Image Labels

The image builds are labeled with various information, such as the versions of OpenRestyand its dependent libraries. Here's an example of printing the labels using jq:

$ docker pull openresty/openresty:1.17.8.1-0-bionic
$ docker inspect openresty/openresty:1.17.8.1-0-bionic | jq '.[].Config.Labels'
{
  "maintainer": "Evan Wies <evan@*********.net>",
  "resty_add_package_builddeps": "",
  "resty_add_package_rundeps": "",
  "resty_config_deps": "--with-pcre     --with-cc-opt='-DNGX_LUA_ABORT_AT_PANIC -I/usr/local/openresty/pcre/include -I/usr/local/openresty/openssl/include'     --with-ld-opt='-L/usr/local/openresty/pcre/lib -L/usr/local/openresty/openssl/lib -Wl,-rpath,/usr/local/openresty/pcre/lib:/usr/local/openresty/openssl/lib'     ",
  "resty_config_options": "    --with-compat     --with-file-aio     --with-http_addition_module     --with-http_auth_request_module     --with-http_dav_module     --with-http_flv_module     --with-http_geoip_module=dynamic     --with-http_gunzip_module     --with-http_gzip_static_module     --with-http_image_filter_module=dynamic     --with-http_mp4_module     --with-http_random_index_module     --with-http_realip_module     --with-http_secure_link_module     --with-http_slice_module     --with-http_ssl_module     --with-http_stub_status_module     --with-http_sub_module     --with-http_v2_module     --with-http_xslt_module=dynamic     --with-ipv6     --with-mail     --with-mail_ssl_module     --with-md5-asm     --with-pcre-jit     --with-sha1-asm     --with-stream     --with-stream_ssl_module     --with-threads     ",
  "resty_config_options_more": "",
  "resty_eval_post_make": "",
  "resty_eval_pre_configure": "",
  "resty_image_base": "ubuntu",
  "resty_image_tag": "bionic",
  "resty_luarocks_version": "3.3.1",
  "resty_openssl_patch_version": "1.1.0d",
  "resty_openssl_url_base": "https://www.openssl.org/source/old/1.1.0",
  "resty_openssl_version": "1.1.0l",
  "resty_pcre_version": "8.44",
  "resty_version": "1.17.8.1"
}

Label Name	Description
`maintainer`	Maintainer of the image
`resty_add_package_builddeps`	buildarg `RESTY_ADD_PACKAGE_BUILDDEPS`
`resty_add_package_rundeps`	buildarg `RESTY_ADD_PACKAGE_RUNDEPS`
`resty_apk_key_url`	buildarg `RESTY_APK_KEY_URL`
`resty_apk_repo_url`	buildarg `RESTY_APK_REPO_URL`
`resty_apk_version`	buildarg `RESTY_APK_VERSION`
`resty_config_deps`	buildarg `_RESTY_CONFIG_DEPS` (internal)
`resty_config_options`	buildarg `RESTY_CONFIG_OPTIONS`
`resty_config_options_more`	buildarg `RESTY_CONFIG_OPTIONS_MORE`
`resty_deb_flavor`	buildarg `RESTY_DEB_FLAVOR`
`resty_deb_version`	buildarg `RESTY_DEB_VERSION`
`resty_eval_post_make`	buildarg `RESTY_EVAL_POST_MAKE`
`resty_eval_pre_configure`	buildarg `RESTY_EVAL_PRE_CONFIGURE`
`resty_image_base`	Name of the base image to build from, buildarg `RESTY_IMAGE_BASE`
`resty_image_tag`	Tag of the base image to build from, buildarg `RESTY_IMAGE_TAG`
`resty_install_base`	buildarg `RESTY_INSTALL_BASE`
`resty_install_tag`	buildarg `RESTY_INSTALL_TAG`
`resty_luajit_options`	buildarg `RESTY_LUAJIT_OPTIONS`
`resty_luarocks_version`	buildarg `RESTY_LUAROCKS_VERSION`
`resty_openssl_version`	buildarg `RESTY_OPENSSL_VERSION`
`resty_openssl_patch_version`	buildarg `RESTY_OPENSSL_PATCH_VERSION`
`resty_openssl_url_base`	buildarg `RESTY_OPENSSL_URL_BASE`
`resty_pcre_version`	buildarg `RESTY_PCRE_VERSION`
`resty_rpm_arch`	buildarg `RESTY_RPM_ARCH`
`resty_rpm_dist`	buildarg `RESTY_RPM_DIST`
`resty_rpm_flavor`	buildarg `RESTY_RPM_FLAVOR`
`resty_rpm_version`	buildarg `RESTY_RPM_VERSION`
`resty_version`	buildarg `RESTY_VERSION`
`resty_yum_repo`	buildarg `RESTY_YUM_REPO`

Docker CMD

The -g "daemon off;" directive is used in the Dockerfile CMD to keep the Nginx daemon running after container creation. If this directive is added to the nginx.conf, then the docker run should explicitly invoke openresty (or nginx for windows images):

docker run [options] openresty/openresty:bionic openresty

Invoke another CMD, for example the resty utility, like so:

docker run [options] openresty/openresty:bionic resty [script.lua]

NOTE The alpine images do not include the packages perl and ncurses, which is needed by the resty utility.

Building (from source)

This Docker image can be built and customized by cloning the repo and running docker build with the desired Dockerfile:

git clone https://github.com/openresty/docker-openresty.git
cd docker-openresty
docker build -t myopenresty -f bionic/Dockerfile .
docker run myopenresty

Dockerfiles are provided for the following base systems, selecting the Dockerfile path with -f:

Alpine (alpine/Dockerfile)
Alpine Fat (alpine/Dockerfile.fat)
Ubuntu Bionic (bionic/Dockerfile)
Ubuntu Focal (focal/Dockerfile)

We used to support more build flavors but have trimmed that down. Older Dockerfiles are archived in the archive folder.

The following are the available build-time options. They can be set using the --build-arg CLI argument, like so:

docker build --build-arg RESTY_J=4 -f bionic/Dockerfile .

Key	Default	Description
RESTY_IMAGE_BASE	"ubuntu" / "alpine"	The Debian or Alpine Docker image base to build `FROM`.
RESTY_IMAGE_TAG	"bionic" / "3.12"	The Debian or Alpine Docker image tag to build `FROM`.
RESTY_VERSION	1.19.3.1	The version of OpenResty to use.
RESTY_LUAROCKS_VERSION	3.3.1	The version of LuaRocks to use.
RESTY_OPENSSL_VERSION	1.1.1g	The version of OpenSSL to use.
RESTY_OPENSSL_PATCH_VERSION	1.1.1f	The version of OpenSSL to use when patching.
RESTY_OPENSSL_URL_BASE	https://www.openssl.org/source	The base of the URL to download OpenSSL from.
RESTY_PCRE_VERSION	8.44	The version of PCRE to use.
RESTY_J	1	Sets the parallelism level (-jN) for the builds.
RESTY_CONFIG_OPTIONS	"--with-compat --with-file-aio --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_flv_module --with-http_geoip_module=dynamic --with-http_gunzip_module --with-http_gzip_static_module --with-http_image_filter_module=dynamic --with-http_mp4_module --with-http_perl_module=dynamic --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-http_xslt_module=dynamic --with-ipv6 --with-mail --with-mail_ssl_module --with-md5-asm --with-pcre-jit --with-sha1-asm --with-stream --with-stream_ssl_module --with-threads"	Options to pass to OpenResty's `./configure` script.
RESTY_LUAJIT_OPTIONS	"--with-luajit-xcflags='-DLUAJIT_NUMMODE=2 -DLUAJIT_ENABLE_LUA52COMPAT'"	Options to tweak LuaJIT.
RESTY_CONFIG_OPTIONS_MORE	""	More options to pass to OpenResty's `./configure` script.
RESTY_ADD_PACKAGE_BUILDDEPS	""	Additional packages to install with package manager required by build only (removed after installation)
RESTY_ADD_PACKAGE_RUNDEPS	""	Additional packages to install with package manager required at runtime (not removed after installation)
RESTY_EVAL_PRE_CONFIGURE	""	Command(s) to run prior to executing OpenResty's `./configure` script. (this can be used to clone a github repo of an extension you want to add to OpenResty, for example. In that case, dont forget to add the appropriate argument to the RESTY_CONFIG_OPTIONS_MORE argument as described above).
RESTY_EVAL_POST_MAKE	""	Command(s) to run after running make install.

These built-from-source flavors include the following modules by default, but one can easily increase or decrease that with the custom build options above:

file-aio
http_addition_module
http_auth_request_module
http_dav_module
http_flv_module
http_geoip_module=dynamic
http_gunzip_module
http_gzip_static_module
http_image_filter_module=dynamic
http_mp4_module
http_random_index_module
http_realip_module
http_secure_link_module
http_slice_module
http_ssl_module
http_stub_status_module
http_sub_module
http_v2_module
http_xslt_module=dynamic
ipv6
mail
mail_ssl_module
md5-asm
pcre-jit
sha1-asm
stream
stream_ssl_module
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Building (RPM based)

OpenResty now now has RPMs available. The centos and fedora images use these RPMs rather than building from source.

This Docker image can be built and customized by cloning the repo and running docker build with the desired Dockerfile:

CentOS 8 RPM (centos/Dockerfile)
Fedora 32 RPM (centos/Dockerfile)

The following are the available build-time options. They can be set using the --build-arg CLI argument, like so:

docker build --build-arg RESTY_RPM_FLAVOR="-debug" centos/Dockerfile .
docker build --build-arg RESTY_RPM_FLAVOR="-debug" -f fedora/Dockerfile .

Key	Default	Description
RESTY_IMAGE_BASE	"centos"	The Centos Docker image base to build `FROM`.
RESTY_IMAGE_TAG	"8"	The CentOS Docker image tag to build `FROM`.
RESTY_LUAROCKS_VERSION	3.3.1	The version of LuaRocks to use.
RESTY_YUM_REPO	"https://openresty.org/package/centos/openresty.repo"	URL for the OpenResty YUM Repository.
RESTY_RPM_FLAVOR	""	The `openresty` package flavor to use. Possibly `"-debug"` or `"-valgrind"`.
RESTY_RPM_VERSION	"1.19.3.1-1"	The `openresty` package version to install.
RESTY_RPM_DIST	"el8"	The `openresty` package distribution to install.
RESTY_RPM_ARCH	"x86_64"	The `openresty` package architecture to install.

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Building (DEB based)

OpenResty now now has Debian Packages (DEBs) available. The buster image use these DEBs rather than building from source.

You can derive your own Docker images from this to install your own packages. See Dockerfile.opm_example and Dockerfile.luarocks_example.

This Docker image can be built and customized by cloning the repo and running docker build with the desired Dockerfile:

Debian Buster 10 DEB (buster/Dockerfile)

The following are the available build-time options. They can be set using the --build-arg CLI argument, like so:

docker build --build-arg RESTY_DEB_FLAVOR="-debug" -f buster/Dockerfile .

Key	Default	Description
RESTY_IMAGE_BASE	"debian"	The Debian Docker image base to build `FROM`.
RESTY_IMAGE_TAG	"buster-slim"	The Debian Docker image tag to build `FROM`.
RESTY_DEB_FLAVOR	""	The `openresty` package flavor to use. Possibly `"-debug"` or `"-valgrind"`.
RESTY_DEB_VERSION	"=1.19.3.1-1~buster"	The Debian package version to use, with `=` prepended.

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Building (APK based)

OpenResty now now has Alpine Packages (APKs) available. The alpine-apk image use these APKs rather than building from source. You can derive your own Docker images from this to install your own packages.

This Docker image can be built and customized by cloning the repo and running docker build with the desired Dockerfile:

Alpine APK (alpine-apk/Dockerfile)

The following are the available build-time options. They can be set using the --build-arg CLI argument, like so:

docker build --build-arg RESTY_IMAGE_TAG="3.12" -f alpine-apk/Dockerfile .

Key	Default	Description
RESTY_IMAGE_BASE	"alpine"	The Alpine Docker image base to build `FROM`.
RESTY_IMAGE_TAG	"3.12"	The Alpine Docker image tag to build `FROM`.
RESTY_APK_KEY_URL	"http://openresty.org/package/[email protected]"	The URL of the signing key of the `openresty` package.
RESTY_APK_REPO_URL	"http://openresty.org/package/alpine/v${RESTY_IMAGE_TAG}/main"	The URL of the APK repository for `openresty` package.
RESTY_APK_VERSION	"=1.19.3.1-r0"	The suffix to add to the apk instaalpackage name: `openresty${RESTY_APK_VERSION`}.

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Building (Windows based)

This Docker image can be built and customized by cloning the repo and running docker build with the desired Dockerfile:

Windows (windows/Dockerfile)

The following are the available build-time options. They can be set using the --build-arg CLI argument, like so:

docker build --build-arg RESTY_VERSION="1.13.6.2" -f windows/Dockerfile .

Key	Default	Description
RESTY_INSTALL_BASE	"mcr.microsoft.com/windows/servercore"	The Windows Server Docker image name to download and install OpenResty with.
RESTY_INSTALL_TAG	"ltsc2019"	The Windows Server Docker image name to download and install OpenResty with.
RESTY_IMAGE_BASE	"mcr.microsoft.com/windows/nanoserver"	The Windows Server Docker image name to build `FROM` for final image.
RESTY_IMAGE_TAG	"1809"	The Windows Server Docker image tag to build `FROM` for final image.
RESTY_VERSION	1.19.3.1	The version of OpenResty to use.

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Feedback & Bug Reports

You're very welcome to report bugs and give feedback as GitHub Issues:

https://github.com/openresty/docker-openresty/issues

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Changelog & Authors

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Copyright & License

docker-openresty is licensed under the 2-clause BSD license.

This module is licensed under the terms of the BSD license.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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docker-openresty - Docker tooling for OpenResty

Supported tags and respective `Dockerfile` links

Table of Contents

Description

Usage

Nginx Config Files

OPM

LuaRocks

Tips & Pitfalls

Image Labels

Docker CMD

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Name		Name	Last commit message	Last commit date
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alpine-apk		alpine-apk
alpine		alpine
archive		archive
bionic		bionic
buster		buster
centos		centos
fedora		fedora
focal		focal
windows		windows
.dockerignore		.dockerignore
.gitignore		.gitignore
.travis.yml		.travis.yml
AUTHORS.md		AUTHORS.md
CHANGELOG.md		CHANGELOG.md
COPYRIGHT		COPYRIGHT
README.md		README.md
appveyor.yml		appveyor.yml
nginx.conf		nginx.conf
nginx.vh.default.conf		nginx.vh.default.conf

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docker-openresty - Docker tooling for OpenResty

Supported tags and respective Dockerfile links

Table of Contents

Description

Usage

Nginx Config Files

OPM

LuaRocks

Tips & Pitfalls

Image Labels

Docker CMD

Building (from source)

Building (RPM based)

Building (DEB based)

Building (APK based)

Building (Windows based)

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