Caddy environment variable

• Caddy environment variable. To configure your environment variables, click the Start button, then type "environment properties" into the search bar and hit Enter. https://caddyserver. FWIW, 2. If your Caddy configuration uses environment variables (e. Apr 27, 2019 · Create the JAVA_HOME environment variable by clicking the New button at the bottom. I had assumed I could simply set a system environment variable and it would update automatically, which seems was obviously incorrect (and overly optimistic). You should know that Caddy 2's native configuration language is JSON , and the Caddyfile is just another config adapter that converts to JSON for you. These added commands may have any flags or use any environment variables they want, even though the core Caddy commands minimize their use. Prints the environment as seen by this Caddy process. " I think the caddy --envfile approach does not violate this because caddy loading its own environment state, not modifying the container's state (I assume). Most of my setup is based off of Mar 3, 2022 · Isn't there a way to set a global variable inside the Caddyfile in order to reuse it? app1. 4. Nov 2, 2020 · What I’ve found is that I need to use the syntax you use, where the environment variable is set in the same line as the caddy adapt or caddy run command. "{env. The environment includes variables set in the system. Add your API Aug 7, 2021 · When using --environ, the log output of the environment variables shows the proper values (except for caddy. To make Caddy serve up a static HTML file, follow these steps: 1. Another class of problematic applications require the COMPUTERNAME variable. How to set, use and manage environment variables in Compose Apr 3, 2018 · I’m running Caddy using NSSM and it’s working fine for me with environment variables. Authenticating See the associated README in the libdns package for important information about credentials. How I run Caddy: install caddy bin a. For example, to open a folder, you have to enter its path in the Value field. systemd’s service files allow you to define environment variables to be included in the process’s environment. I went to the “Environment Variables” dialog from the “System” settings in the control panel, and I put the environment variables I wanted into the “System variables” section, not the “User variables for X” section. # caddy environ Prints the environment. even if the content behind the password does not need security Sep 15, 2023 · However, this means if caddy is ran by systemd, you can’t simply set env variables for example through /etc/environment? francislavoie (Francis Lavoie) September 18, 2023, 8:08pm Modules can add subcommands to the command line interface! For instance, that's where the caddy file-server command comes from. Placeholders # You can access placeholders in Caddy using curly braces { } to access dynamic values inside caddy's configuration. The Caddy + Caddyfile setup is solid enough, mainly due to simply leveraging Caddy’s nice configuration format + Docker/Docker Compose volume mounts. First, set an environment variable (in the same shell that runs Caddy): export SITE_ADDRESS=localhost:9055. Environment variable (example: {env. Caddy version (caddy version): v2. This is a common feature in similar types of configuration files. com. service if you configure Caddy solely through its API. Sets one or more variables to a particular value, to be used later in the request handling chain. Oct 6, 2023 · You’re using php-fpm, so you need to configure php-fpm with the env vars. HOME}) {system. Aug 4, 2020 · You can simply set environment variables on your docker-compose service and Caddy will inherit them: Docker Documentation – 21 Jan 22 Environment variables in Compose. In the Environment Variables dialog, select the Path variable and click Edit: Sep 4, 2023 · To enable the admin page, we need to specify a (hashed) admin password via an environment variable . A single environment variable does not expand out into multiple tokens, arguments, or values. 0-8-amd64 Debian 5. You can set your GitHub token to increase the limits for yourself when running the role (e. Generate a secure password and make sure to store it safely. Caddy comes with a caddy reload ⁠ command which can be used to reload its configuration with zero downtime. ""), partial tokens, complete tokens, or even multiple tokens and lines. The problem I’m having is that when using regular expressions with the map directive, I Jun 2, 2024 · // Default: the value of the `CADDY_ADMIN` environment variable, // or `localhost:2019` otherwise. The Caddyfile adapter allows substituting environment variables before the Caddyfile is parsed. You can do the same thing for your environment variable. I was looking to have a fully Dockerized setup that puts Caddy behind a Cloudflare tunnel, while also allowing the cloudflared browser-based SSH to work. CLOUDFLARE_API_TOKEN}}} Get the certificate chain via HTTP, instead of having Caddy manage it. Caddy version 2 on Docker (alpine) So the code I’d like to be something like this: if {env. Oct 28, 2021 · Hi, I would like to have an if else statement based on environment variables and files. Run the following command to create the admin token via a temporary Vaultwarden container, specifying your new password when asked: May 10, 2022 · I just got a particular Caddy setup working after hours of trying out various things, and wanted to share. The concept of this approach is to add the path of the python executable file to the Path environment variable so that the computer can search through the directories itself. e. // // Remember: When changing this value through a config reload, // be sure to use the `--address` CLI flag to specify the current // admin address if the currently-running admin endpoint is not // the default address. caddy. Feb 1, 2023 · I’m looking to override the default configuration and provide my own, just using an environment variable (no extra infrastructure/API setups). caddy reload Changes the config of the running Caddy process If you look at line 15 there is an environment variable being set called CADDYPATH. Command: # caddy run --watch 2022/07/07 21:15:20. A default value can be specified for when the environment variable is not found, by using : as the delimiter between the variable name and the default value: You can customize the config used by the caddy service by modifying the Caddyfile in devbox. However, in the further output where Caddy informs about the autosaved config, the common paths are used. caddy-api. If your configuration relies on environment variables, you can use them in the Caddyfile: {$ENV} Environment variables in this form are substituted before Caddyfile parsing begins, so they can expand to empty values (i. The import directive is a special case, because it can appear outside a definition block. 4. I do understand your point though, definitely doesn't make sense to allow directives to be configured using environment variables, quite dangerous. Reading up on Environment Variables I don't see a way to specify default values for environment variables. If you only need the commands for your own user account, then edit the user variable. Help with Caddy and fastcgi with environment variables Prints the environment as seen by this Caddy process. Jul 20, 2016 · Hi All, I am looking at trying to make some dynamic templates with Caddy which will be run under Docker. If set to off, then the admin endpoint will be disabled. caddy file-server export-template Auxilary command for the file server to export the default file browser template. What are you trying to do? That might be because environment variables expand This role uses the GitHub releases list to check when a new version is available. May 21, 2020 · Very much appreciated. Jun 26, 2022 · How I run Caddy: a. Environment variables in this form are substituted before parsing begins, so they can expand to empty values, partial tokens, complete tokens, or even multiple tokens and lines. ConfigAutosavePath). Here are some steps you can take to troubleshoot the issue: The following environment variables can be used to inject Caddy directives in the Caddyfile without modifying it: SERVER_NAME: change the addresses on which to listen, the provided hostnames will also be used for the generated TLS certificate; CADDY_GLOBAL_OPTIONS: inject global options; FRANKENPHP_CONFIG: inject config under the frankenphp Which version of Caddy are you using (caddy -version)? Caddy 0. The IPv4 server uses automatic HTTPS/TLS with Let’s Encrypt certificates, the IPv6 server should load said certificates explicitly (to prevent expiry renewal race conditions between the two servers using the same keys). Nov 25, 2023 · For example, the ruby gem loader evidently requires the HOME environment variable to be set; you can do this with the subdirective pass_env HOME. Environment variables are no longer needed for configuration. Create a new variable type, modelled after Environment Variables with the requirement that they need to be explicitly declared. There are two different ways in which you can add the path to the environment variable: Using The Python Set-Up To Update Path Variable Aug 22, 2024 · It’s possible that the environment variable is not set correctly or not defined in the expected scope. Click “Ok” to add the environment variable. Why it's Mar 19, 2022 · I can make this work by assigning an environment variable before running caddy, but oftentimes it would be useful to declare in the Caddyfile (e. CADDY_GLOBAL_OPTIONS: inject global options; FRANKENPHP_CONFIG: inject config under the frankenphp directive; As for FPM and CLI SAPIs, environment variables are exposed by default in the $_SERVER superglobal. I'm using Caddy to serve my webpages and give my website an SSL certificate for https. we defined some environment variables which will be later used in the Caddyfile: DOMAIN,which is the domain we want to use for Vaultwarden and we want to get a certificate for, EMAIL which is the email to associate with the request, and LOG_FILE which is used to define the path of the file where Caddy logs should be written. In caddy v1 you could add {{ Env. In the main window, click “Apply” and “Ok” buttons. com {tls {dns cloudflare {env. /CaddyEnv. System environment: alpine:edge dockerfile deploy container b. I've installed the Cloudflare v Mar 6, 2024 · In a separate post Francis mentions creating an environment variable so that caddy loads the caddyfile, however I can’t find any doco on the environment variable: caddy environ Prints the environment. It’s not clear, however, whether I can use it the same way in the JSON file? For example: { "upstreams": [{"dial": "{env. It looks more like a question about how to use Caddy rather than a bug report or feature request. JRE_HOME if you installed the JRE (Java Runtime Environment). caddy list-modules Lists the installed Caddy modules. Add environment variables to the systemd script Jan 17, 2023 · Generally, the Caddy team is of the opinion that "you shouldn't let untrusted code/users run things on your system". The S value of the variables_order PHP directive is always equivalent to ES regardless of the placement of E elsewhere in this directive. caddy help View help for caddy commands For example, if you need to define environment variables for use in your config, you may do so like this: [Service] Environment = "CF_API_TOKEN=super-secret-cloudflare-tokenvalue" Similarly, if you prefer to maintain a separate file to maintain the environment variables (envfile), you may use the EnvironmentFile directive as such: Nov 2, 2016 · It seems weird that it's impossible to fully configure TLS with environment variables. This setup is the same as specifying the provider in the tls directive's ACME issuer Environment variables. com/v1/docs/caddyfile#env . The Caddyfile is a convenient Caddy configuration format for humans. service. Feb 18, 2024 · 1. Feature Request. g. The default address can be changed by setting the CADDY_ADMIN environment variable. Using environment variables # My Caddyfile Environment variables. The Caddyfile is a text file that configures how Caddy runs. internal). CF_*} placeholders with the actual auth token if you prefer to put it directly in your config instead of an environment variable, however it is less secure. if deploying many servers behind a NAT or running this role repeatedly as part of a CI process). But that logic fails on some scenarios: #207. 11. 2b. There is no clear guide in the docs for printing environment variables in templates. 1. 7" services: caddy: build: context: . The version of Caddy will only be changed after the first run of the role if caddy_update is set to true, otherwise the version of Caddy will remain as the one selected on first run of the role. May 14, 2023 · Here is a quick guide how to set HTTP basic auth username and password using environment variables. This first script will be executed on the Proxmox server itself to create the LXC. This configuration sets up the provider to use the Cloudflare DNS module with the API token provided as an environment variable. 46-5 x86_64 GNU/Linux b. Feb 15, 2018 · You could use if functionality of existing directives like redir and rewrite, though, as env vars can be used in place of any Caddyfile token: The Caddyfile — Caddy Documentation Aug 17, 2021 · 1. Update the PATH system variable. Loading and Defining more variables. For the exporter configuration details, please see spec. resolve_root_symlink enables resolving the root directory to its actual value by evaluating a symbolic link, if one exists. caddy is the location inside the container where caddy will save certificates. Feb 15, 2023 · Adds the caddy repo; Installs Caddy; Installs UFW rules for the reverse proxy; Build_VM script. to load them from a . Sep 26, 2017 · On the Environment Variables dialog, you’ll see two sets of variables: one for user variables and the other for system variables. Mar 25, 2019 · The choice to use environment variables means it’s possible for example to set the port on which the web container listens to based on the VIRTUAL_HOST_PORT environment variable. AZURE_STORAGE_CONNECTION_STRING=$(az storage account show-connection-string --name <storage-account> --resource-group <resource-group> --output tsv) Create the file shares required to store the container state and caddy configuration. yml (e. Import. It ensures that your Caddy server can automatically issue and renew SSL certificates using DNS-01 challenges via Cloudflare. Hardcoding password, even hashed one, in Caddyfile, or any file, is a dangerous practice and should be avoided HTTP Basic Auth is an easy way to protect your development servers, other infrastructure, against scrapers, knocking, etc. caddy file-server A simple but production-ready file server. How I installed and ran Caddy: Caddy is installed from the official Docker Hub image, as part of the Docker Compose setup. Click “Ok” in the environment variables window. I am trying to access multiple env variables using process. Or use a PHP library like GitHub - vlucas/phpdotenv: Loads environment variables from `. 7. Then you can use it like this in the Caddyfile: {$SITE_ADDRESS} file_server. The primary way to give Caddy 2 its configuration is through its API , but the caddy command can also be used. System environment: Debian 10 b. System environment: Linux 5. The Caddyfile. env Enable the DNS challenge for a domain managed on Cloudflare with account credentials in an environment variable. A replacement for go run while developing Caddy plugins; The xcaddy command will use the latest version of Caddy by default. It's really a collection of plugins, providing: a Caddy network listener, to serve sites privately on your tailnet This tutorial will show you how easy it is to configure Caddy with the Caddyfile. Here, /root/. Environment variables. 243 INFO using adjacent Caddyfile c. Restart Windows 10 to apply the new environment variable. It works by reading each rune of the input and taking control over all the bracing and whitespace that is written; otherwise, words, comments, placeholders, and escaped characters are all treated literally and written as they appear in the input. 1 has nothing to do with the fix, it's just that Caddy will only try to install its root once, and once it is installed into the system trust store, it won't try again (automatically, at least). For buildpack deploys, Dokku will create a /app/. One caveat of using env_file is, environment variables within the file cannot be referenced with compose Mar 3, 2022 · I do welcome his input, however this applies to all Caddy modules, doesn’t it? NOTE: This feature requires systemd v229 or newer and might be needed in addition to caddy_setcap: yes. It can be configured using the environment variables defined by the OpenTelemetry Environment Variable Specification. I added by own environment variables for my DNS service (cloudflare). Unlike environment I can separate any environment variables from the compose file. sh. Any Caddy instances that are configured to use the same storage will automatically share those resources and coordinate certificate management as a cluster. env file that can be used for legacy buildpacks. This unlocks wildcard certificate support, which requires DNS validation: *. As usual with go command, the xcaddy command will pass the GOOS, GOARCH, and GOARM environment variables through for cross Feb 28, 2024 · Some More Thoughts. Foo }} and run that through the template directive. Either form works on any OS. , nano or vim). In the Variable Name field, enter either: JAVA_HOME if you installed the JDK (Java Development Kit) or. Ideally I want to be able to set some runtime Environment variables when starting docker and have these available to be used by the templating language. Under System Variables, click New. 0. Apr 12, 2018 · Caddy needs to access this token as an environment variable to configure DigitalOcean’s DNS. The consequence of this is that no label can take on the value of "import". The problem I’m having: I’m trying to configure Caddy to reverse proxy from service. tld to sub. You can replace the {env. b. System environment: Caddy is running in its own official image Docker container, within a Docker Compose setup. Add additional environment variables. For example: localhost:8080. Let's start a new script and call it build_vm. That seems to me like a very likely use-case for environment variable expansion. CADDY_CONFIG_FILE} is &quot;something1&quot; { &hellip; Caddy does not require a full restart when configuration is changed. Caddy version: v2. Jun 2, 2024 · Format formats the input Caddyfile to a standard, nice-looking appearance. variable_name}, or with the vars and vars_regexp request matchers. Environment variables are available both at run time and during the application build/compilation step for buildpack-based deploys. By default, all the relevant FastCGI environment variables are already set (including HTTP headers) but you may add or override variables as needed. d/caddy, or by changing the CADDY_CONFIG environment variable to point to a custom config. The Docker host is Ubuntu although that should not matter. You can customize this for all invocations by setting the CADDY_VERSION environment variable. Not sure if this is relevant, but when putting the proxy in front of Caddy and omitting the env vars in docker-compose. can be used with this container. Some installation methods may set this to something different. / dockerfile: CaddyDockerfile network_mode: bridge container_name: caddyContainer ports: - "443:443" - "80:80" env_file: - . Thanks for reading This option cannot be used together with caddy_packages because that option prevents the downloads from using Github, meaning no older versions are available. Note that environments may be different To help you troubleshoot, Caddy prints its environment variables at startup if the --environ flag is specified. 1 h1:bAWwslD1jNeCzDa+jDCNwb8M3UJ2tPa8UZFFzPVmGKs= 2. example. . To achieve this, I need to use an environment There are a number of other standard CGI variables included that are described below. Click the Environment Variables button. internal (also sub. 5 (unofficial) 2. Please ignore or delete this post if it is not related to caddy. This service uses the --resume option which will start Caddy using the autosave. service if you configure Caddy with a Caddyfile. So the way I suggest we deal with this is add support for using the CADDY_ADMIN environment variable to override the default admin API address. Accepts duration Nov 26, 2023 · Environment Variables# Both Vaultwarden and Caddy have an env_file listed. VAL_NAME2 on my frontend react app. env sets an extra environment variable to the given value. The pass_all_env subdirective instructs Caddy to pass each environment variable it knows about to the CGI excutable. For example: ⚠️ caddy docker proxy does a best effort to automatically detect what are the ingress networks. VAL_NAME1 process. Here service should be allowed to be any subdomain and I would like that nothing about the domains is hardcoded in the Caddyfile. caddy help View help for caddy commands. The docker-compose: version: "3. Note that environments may be different Apr 3, 2024 · With your Caddy server up, you must lay the groundwork for hosting your website or web application efficiently, ensuring Caddy can serve a static HTML file. json which is persisted by default. Edit the the Caddy service file in the /etc/systemd/system/ directory, rather than the version in the Caddy Git repository. Command: If you need to pass any special environment variables or allow any environment variables that are part of Caddy's process to pass to your script, you will need to use the advanced directive syntax described below. Of course, an explicitly Aug 16, 2021 · Thanks for your question, and we're glad that you're using Caddy! So far, this doesn't look like a bug in Caddy. The core library, or "core" of Oct 9, 2023 · 3. MAIN_HOSTNAME}"}] } Will that work? 6 days ago · Store the connection string to an environment variable. VARIABLE}") then this command can be useful for verifying that the variables will have the values you expect in your config. Seems like a fine approach. GitHub has some fairly agressive rate-limiting which can cause failures. env` to `getenv()`, `$_ENV` and `$_SERVER` automagically. Environment variable Description Default value; GLOBAL_OPTIONS: the global options block to inject in the Caddyfile, one per line: CADDY_EXTRA_CONFIG: the snippet or the named-routes options block to inject in the Caddyfile, one per line Mar 10, 2021 · I’m trying to script setup and configuration of caddy server based on a custom download that includes additional plugins (caddy-auth-portal, caddy-auth-jwt, caddy-trace, and various caddy-dns modules ). In the New System Variable form, enter the name and value as follows: Click OK, and you will see the JAVA_HOME variable is added to the list. *}. The problem I’m having: Hi Caddy, First of all I do not sure this issue is related to caddy. 0 to expose Caddy service in Docker Local dev server with self-signed TLS certificate Prevent automatic http-to-https redirect Return a plain text response Reverse proxy plus static files Routing multiple paths to a reverse proxy Serve static files Using an environment variable for the hostname with a www redirect and localhost Jul 8, 2022 · 1. dns { reverse_proxy myhost:xxxx } app2. env file. 3 h1:Y1FaV2N4WO3rBqxSYA8UZsZTQdN+PwcoOcAiZTM8C0I= 2. Caddy Environment variables are a little different in that they only work in a Caddfyfile (not a JSON config file) and they perform the substitution before the file is parsed by caddy to create the webserver. I like the separation this gives between the Docker and application configuration. The first line of the Caddyfile is always the address of the site to serve. hostname} Aug 24, 2020 · I am trying to use environment variables within a caddy, docker container that is serving a react app as static files. Does the JSON configuration support environment variables? Environment Variables. tld to service. It is most people's favorite way to use Caddy because it is easy to write, easy to understand, and expressive enough for most use cases. env. Windows 10 – Search for Environment Variables then select Edit the system environment variables. 04 (xenial) RHEL/CentOS has no release that supports systemd capability controls at this time. The Tailscale plugin for Caddy allows running a Tailscale node directly inside of the Caddy web server. 5. dns { reverse_proxy myhost:yyyy Default: localhost:2019, unless the CADDY_ADMIN environment variable is set. If you prefer to use a JSON config file, you may override the ExecStart and ExecReload commands. Using real environment variables works as expected and the files are saved at the proper location. This allows a caddy server to join your Tailscale network directly without needing a separate Tailscale client. Aug 7, 2021 · The documentation on environment variables only talks about Caddyfile format: Also, in the Placeholders section in the documentation, it suggests to use curly braces: {env. My Google skills were lacking and was unsure of what to google. If --envfile is specified, an environment file with environment variables in the KEY=VALUE format Aug 27, 2023 · How to Edit Environment Variables There are some minor differences between the user interfaces of Windows 10 and Windows 11, but the basic process of editing environment variables is the same. Service/unit/compose file: n/a (but I just use the one from the Caddy Debian repo) d. Oct 26, 2023 · 1. Supported: Debian 9 (stretch) Fedora 25; Ubuntu 16. Apr 14, 2020 · Saved searches Use saved searches to filter your results more quickly Since all images from this repository are built off the official Caddy Docker image, the same volumes and/or bind mounts, ports mapping, environment variables, etc. Can be specified more than once for multiple environment variables. But still, putting mitigations in place is never a bad idea. Beware that in Caddy v2 it is (currently) not possible to separate the path left of the matcher from the full URL. domain. 10. caddy fmt Formats a Caddyfile. This appears to not be the case anymore. The first few lines of our script are simply setting environment variables. Additionally, you can use an environment variable to define the exact location caddy should save generated certificates: env sets an extra environment variable to the given value. First up is cloudflared - I’m using msnelling/cloudflared as the official image lacks ARM support. When you save that in a file called Caddyfile, Caddy will automatically find it when you start it: Jun 30, 2020 · LE: Fixed it I just used caddy v2. Docker for example supports the standard bash syntax: ${variable:-word} indicates that if variable is set then the result will be that value. Would it be possible, happy to make a PR, to update the Caddy image to check for a Caddy config from an environment variable and replace that on startup? In this article you are going to learn about placeholders, varibles and environment variables in Caddy. How I run Caddy: n/a (but I just use the one from the Caddy Debian repo) a. My complete Caddyfile Feb 4, 2022 · This was a conscious decision, because environment variables can unintentionally be leaked between containers (for instance, if you use --link). use of more than a few variables). May 12, 2023 · Finally. The custom config must be either JSON or Caddyfile format. I've just recently started setting up my own Ubuntu v16 server on 100tb. Open the /etc/caddy/Caddyfile with your preferred editor (i. Binding to 0. Before the Caddyfile is parsed, it will be Jan 7, 2020 · I can’t find anything relating to environment variables support, as available in v1. If variable is not set then ⚠️ caddy docker proxy does a best effort to automatically detect what are the ingress networks. When disabled, config changes will be impossible without stopping and starting the server, since the caddy reload command uses the admin API to push the new config to the running server. running curl or our client with the relevant env vars set in the CLI instead) the requests successfully go from the client through the proxy, then through Caddy acting as reverse proxy, to the server and back again. If you need to pass any special environment variables or allow any environment variables that are part of Caddy’s process to pass to your script, you will need to use the advanced directive syntax described below. But I am always getting undefined as a value of those env variables I tried many ways to set ENV variables but Next, type the variable value in the second field. Aug 17, 2016 · I’m trying to run two Caddy servers (one bound to IPv4, one to IPv6) from a single Caddyfile (to avoid dual-maintenance). a. When running Caddy in Docker, the recommended way to trigger a config reload is by executing the caddy reload command in the running container. Both lists have the PATH variable, so you have to decide which one to edit. Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go. To have a more resilient solution, you can manually configure Caddy ingress network using CLI option ingress-networks, environment variable CADDY_INGRESS_NETWORKS. The primary way to access variables is with placeholders, which have the form {vars. caddy hash-password Hashes a password and outputs base64. dial_timeout is how long to wait when connecting to the upstream socket. vpoxb ahopq rldaker zcobjmg mnij qkjlc eiq jvpn gbb dxx