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hedgedoc/docs/content/configuration.md
Tilman Vatteroth b386737d08
Move docs into subdirectory to make mkdocs work in a subdirectory 
Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>

(cherry picked from commit eaeb88401d)
Signed-off-by: David Mehren <git@herrmehren.de>
2021-01-04 13:07:44 +01:00

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Configuration

You can choose to configure HedgeDoc with either a config file or with environment variables.

Environment variables take precedence over configurations from the config files. They generally start with CMD_ for our own options, but we also list node-specific options you can configure this way.

  • Environment variables are processed in lib/config/environment.js - so this is the first place to look if anything is missing not obvious from this document. The default values are defined in lib/config/default.js, in case you wonder if you even need to override it.

  • The config file is processed in lib/config/index.js - so this is the first place to look if anything is missing not obvious from this document. The default values are defined in lib/config/default.js, in case you wonder if you even need to override it. To get started, it is a good idea to take the config.json.example and copy it to config.json before filling in your own details.

Note: Due to the rename process we renamed all HMD_-prefix variables to be CMD_-prefixed. The old ones continue to work.

Node.JS

| config file | environment | ** default** and example value | description | | ----------- | ----------- | ----------------------------- | -------------------------------------------------------------------------------- | | | NODE_ENV | production or development | set current environment (will apply corresponding settings in the config.json) | | debug | DEBUG | true or false | set debug mode, show more logs |

HedgeDoc basics

| config file | environment | ** default** and example value | description | | ------------------- | ------------------------ |

|

| | | CMD_CONFIG_FILE | no default, /path/to/config.json | optional override for the path to HedgeDoc's config file | | db | | undefined , { "dialect": "sqlite", "storage": "./db.hedgedoc.sqlite" } | set the db configs, see more here | | dbURL | CMD_DB_URL | undefined , postgres://username:password@localhost:5432/hedgedoc or mysql://username:password@localhost:3306/hedgedoc| Set the db in URL style. If set, then the relevant db config entries will be overridden. | | loglevel | CMD_LOGLEVEL | info, debug ... | Defines what kind of logs are provided to stdout. Available options: debug, verbose, info, warn, error | | forbiddenNoteIDs | CMD_FORBIDDEN_NOTE_IDS | ['robots.txt', 'favicon.ico', 'api', 'build', 'css', 'docs', 'fonts', 'js', 'uploads', 'vendor', 'views'] , ['robots.txt'] or 'robots.txt' | disallow creation of notes, even if allowFreeUrl or CMD_ALLOW_FREEURL is true | | imageUploadType | CMD_IMAGE_UPLOAD_TYPE | filesystem, imgur, s3, minio, azure, lutim | Where to upload images. For S3, see our Image Upload Guides for S3 or Minio, also there's a whole section on their respective env vars below. | | sourceURL | CMD_SOURCE_URL | no default , https://github.com/hedgedoc/hedgedoc/tree/<current commit> | Provides the link to the source code of HedgeDoc on the entry page (Please, make sure you change this when you run a modified version) | | tooBusyLag | CMD_TOOBUSY_LAG | 70 | CPU time for one event loop tick until node throttles connections. (milliseconds) | | staticCacheTime | | 1 * 24 * 60 * 60 * 1000 | static file cache time | | heartbeatInterval | | 5000 | socket.io heartbeat interval | | heartbeatTimeout | | 10000 | socket.io heartbeat timeout | | documentMaxLength | | 100000 | note max length | | linkifyHeaderStyle | | keep-case, lower-case, gfm | how is a header text converted into a link id |

HedgeDoc paths stuff

these are rarely used for various reasons.

| config file | environment | ** default** and example values | description | | ----------------- | ----------- | ----------------------------------------------------- | ------------------------------------------------------------------------------------------------ | | defaultNotePath | | ./public/default.md | default note file path1, empty notes will be created with this template. | | dhParamPath | | undefined, ./cert/dhparam.pem | SSL dhparam path1 (only need when you set useSSL) | | sslCAPath | | undefined, ['./cert/COMODORSAAddTrustCA.crt'] | SSL ca chain1 (only need when you set useSSL) | | sslCertPath | | undefined, ./cert/hedgedoc_io.crt | SSL cert path1 (only need when you set useSSL) | | sslKeyPath | | undefined , ./cert/client.key | SSL key path1 (only need when you set useSSL) | | tmpPath | | os.tmpdir(), ./tmp/ | temp directory path1 | | docsPath | | ./public/docs | docs directory path1 | | viewPath | | ./public/views | template directory path1 | | uploadsPath | | ./public/uploads | uploads directory1 - needs to be persistent when you use imageUploadType filesystem |

Note: relative paths are based on HedgeDoc's base directory

HedgeDoc Location

| config file | environment | ** default** and example value | description | | ---------------- | --------------------- | ---------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------- | | domain | CMD_DOMAIN | null, localhost, hedgedoc.org | domain name | | urlPath | CMD_URL_PATH | null, hedgedoc | If HedgeDoc is run from a subdirectory like www.example.com/<urlpath> | | host | CMD_HOST | 0.0.0.0, localhost | interface/ip to listen on | | port | CMD_PORT | 3000, 80 | port to listen on | | path | CMD_PATH | no default, /var/run/hedgedoc.sock | path to UNIX domain socket to listen on (if specified, host or CMD_HOST and port or CMD_PORT are ignored) | | protocolUseSSL | CMD_PROTOCOL_USESSL | false or true | set to use SSL protocol for resources path (only applied when domain is set) | | useSSL | | false or true | set to use SSL server (if true, will auto turn on protocolUseSSL) | | urlAddPort | CMD_URL_ADDPORT | false or true | set to add port on callback URL (ports 80 or 443 won't be applied) (only applied when domain is set) | | allowOrigin | CMD_ALLOW_ORIGIN | ['localhost'], ['hedgedoc.org'], ['localhost', 'hedgedoc.org'] | domain name whitelist (use comma to separate) |

Web security aspects

| config file | environment | ** default** and example value | description | | -------------- | ----------------------------- |

|

| | hsts | | {"enable": true, "maxAgeSeconds": 31536000, "includeSubdomains": true, "preload": true} | HSTS options to use with HTTPS (default is the example value, max age is a year) | | | CMD_HSTS_ENABLE | true or false | set to enable HSTS if HTTPS is also enabled (default is true) | | | CMD_HSTS_INCLUDE_SUBDOMAINS | true or false | set to include subdomains in HSTS (default is true) | | | CMD_HSTS_MAX_AGE | 31536000, 60 * 60 * 24 * 365 | max duration in seconds to tell clients to keep HSTS status (default is a year) | | | CMD_HSTS_PRELOAD | true or false | whether to allow preloading of the site's HSTS status (e.g. into browsers) | | csp | | {"enable": true, "directives": {"scriptSrc": "trustworthy-scripts.example.com"}, "upgradeInsecureRequests": "auto", "addDefaults": true} | Configures Content Security Policy. Directives are passed to Helmet - see their documentation for more information on the format. Some defaults are added to the configured values so that the application doesn't break. To disable this behaviour, set addDefaults to false. Further, if usecdn is on, some CDN locations are allowed too. By default (auto), insecure (HTTP) requests are upgraded to HTTPS via CSP if useSSL is on. To change this behaviour, set upgradeInsecureRequests to either true or false. | | | CMD_CSP_ENABLE | true or false | whether to enable Content Security Policy (directives cannot be configured with environment variables) | | | CMD_CSP_REPORTURI | undefined, https://<someid>.report-uri.com/r/d/csp/enforce | Allows to add a URL for CSP reports in case of violations | | cookiePolicy | CMD_COOKIE_POLICY | lax, strict or none | Set a SameSite policy whether cookies are send from cross-origin. Be careful: setting a SameSite value of none without https breaks the editor |

Privacy and External Requests

| config file | environment | ** default** and example value | description | | --------------- | -------------------- | ----------------------------- |

| | allowGravatar | CMD_ALLOW_GRAVATAR | true or false | set to false to disable Libravatar as profile picture source on your instance. Libravatar is a federated open-source alternative to Gravatar. | | useCDN | CMD_USECDN | false or true | set to use CDN resources or not (default is false) |

Users and Privileges

| config file | environment | ** default** and example value | description | | --------------------- | --------------------------- | ----------------------------------------------------------------------- |

| | allowAnonymous | CMD_ALLOW_ANONYMOUS | true or false | Set to allow anonymous usage (default is true). | | allowAnonymousEdits | CMD_ALLOW_ANONYMOUS_EDITS | false or true | If allowAnonymous is false: allow users to select freely permission, allowing guests to edit existing notes (default is false). | | allowFreeURL | CMD_ALLOW_FREEURL | false or true | Set to allow new note creation by accessing a nonexistent note URL. This is the behavior familiar from Etherpad. | | defaultPermission | CMD_DEFAULT_PERMISSION | editable, freely, limited, locked, protected or private | Set notes default permission (only applied on signed-in users). | | sessionName | | connect.sid | Cookie session name. | | sessionLife | CMD_SESSION_LIFE | 14 * 24 * 60 * 60 * 1000 , 1209600000 (14 days) | Cookie session life time in milliseconds. | | sessionSecret | CMD_SESSION_SECRET | secret | Cookie session secret used to sign the session cookie. If none is set, one will randomly generated on each startup, meaning all your users will be logged out. |

Login methods

Email (local account)

| config file | environment | ** default** and example value | description | | -------------------- | -------------------------- | ----------------------------- |

| | email | CMD_EMAIL | true or false | Set to allow email sign-in. The default is true. | | allowEmailRegister | CMD_ALLOW_EMAIL_REGISTER | true or false | Set to allow registration of new accounts using an email address. If set to false, you can still create accounts using the command line - see bin/manage_users for details (In production mode, remember to run it with NODE_ENV set as production in the enviroment). This setting has no effect if email or CMD_EMAIL is false. The default for allowEmailRegister or CMD_ALLOW_EMAIL_REGISTER is true. |

Dropbox Login

| config file | environment | ** default** and example value | description | | ----------- | -------------------------- | ------------------------------------ |

| | dropbox | | {clientID: ..., clientSecret: ...} | An object containing the client ID and the client secret obtained by the Dropbox developer tools | | | CMD_DROPBOX_CLIENTID | ** no default** | Dropbox API client id | | | CMD_DROPBOX_CLIENTSECRET | no default | Dropbox API client secret |

Facebook Login

| config file | environment | ** default** and example value | description | | ----------- | --------------------------- | ------------------------------------ |

| | facebook | | {clientID: ..., clientSecret: ...} | An object containing the client ID and the client secret obtained by the Facebook app console | | | CMD_FACEBOOK_CLIENTID | no default | Facebook API client id | | | CMD_FACEBOOK_CLIENTSECRET | no default | Facebook API client secret |

GitHub Login

| config file | environment | ** default** and example value | description | | ----------- | ------------------------- | ------------------------------------ |

| | github | | {clientID: ..., clientSecret: ...} | An object containing the client ID and the client secret obtained by the GitHub developer page. For more details have a look at the GitHub auth guide. | | | CMD_GITHUB_CLIENTID | no default | GitHub API client id | | | CMD_GITHUB_CLIENTSECRET | no default | GitHub API client secret |

GitLab Login

| config file | environment | ** default** and example value | description | | ----------- | ------------------------- | ---------------------------------------------------------------------------- |

| | gitlab | | {baseURL: ..., scope: ..., version: ..., clientID: ..., clientSecret: ...} | An object containing your GitLab application data. Refer to the GitLab guide for more details! | | | CMD_GITLAB_SCOPE | no default, read_user or api | GitLab API requested scope (default is api) (GitLab snippet import/export need api scope) | | | CMD_GITLAB_BASEURL | no default | GitLab authentication endpoint, set to use other endpoint than GitLab.com (optional) | | | CMD_GITLAB_CLIENTID | no default | GitLab API client id | | | CMD_GITLAB_CLIENTSECRET | no default | GitLab API client secret | | | CMD_GITLAB_VERSION | v4 | GitLab API version (v3 or v4) |

Google Login

| config file | environment | ** default** and example value | description | | ----------- | ------------------------- | ------------------------------------------------------- |

| | google | | {clientID: ..., clientSecret: ..., hostedDomain: ...} | An object containing the client ID and the client secret obtained by the Google API console | | | CMD_GOOGLE_CLIENTID | no default | Google API client id | | | CMD_GOOGLE_CLIENTSECRET | no default | Google API client secret | | | CMD_GOOGLE_HOSTEDDOMAIN | no default, example.com | Provided only if the user belongs to a hosted domain. default is undefined |

LDAP Login

| config file | environment | ** default** and example value | description | | ----------- | --------------------------- |

| --------------------------------------------------------------------------------------------------------------- | | ldap | | {providerName: ..., url: ..., bindDn: ..., bindCredentials: ..., searchBase: ..., searchFilter: ..., searchAttributes: ..., usernameField: ..., useridField: ..., tlsca: ...} | An object detailing the LDAP connection. Refer to the LDAP-AD guide for more details! | | | CMD_LDAP_URL | no default, ldap://example.com | URL of LDAP server | | | CMD_LDAP_BINDDN | no default | bindDn for LDAP access | | | CMD_LDAP_BINDCREDENTIALS | no default, | bindCredentials for LDAP access | | | CMD_LDAP_SEARCHBASE | no default, o=users,dc=example,dc=com | LDAP directory to begin search from | | | CMD_LDAP_SEARCHFILTER | no default, (uid={{username}}) | LDAP filter to search with | | | CMD_LDAP_SEARCHATTRIBUTES | no default, displayName, mail | LDAP attributes to search with (use comma to separate) | | | CMD_LDAP_USERIDFIELD | no default, uidNumber or uid or sAMAccountName | The LDAP field which is used uniquely identify a user on HedgeDoc | | | CMD_LDAP_USERNAMEFIELD | no default, fallback to userid | The LDAP field which is used as the username on HedgeDoc | | | CMD_LDAP_TLS_CA | no default, server-cert.pem, root.pem | Root CA for LDAP TLS in PEM format (use comma to separate) | | | CMD_LDAP_PROVIDERNAME | no default, My institution | Optional name to be displayed at login form indicating the LDAP provider |

Mattermost Login

| config file | environment | ** default** and example value | description | | ------------ | ----------------------------- | -------------------------------------------------- |

| | mattermost | | {baseURL: ..., clientID: ..., clientSecret: ...} | An object containing the base URL of your Mattermost application data. Refer to the Mattermost guide for more details! | | | CMD_MATTERMOST_BASEURL | no default | Mattermost authentication endpoint for versions below 5.0. For Mattermost version 5.0 and above, see guide. | | | CMD_MATTERMOST_CLIENTID | no default | Mattermost API client id | | | CMD_MATTERMOST_CLIENTSECRET | no default | Mattermost API client secret |

OAuth2 Login

| config file | environment | ** default** and example value | description | | ----------- | ------------------------------------------- |

|

| | oauth2 | | {baseURL: ..., userProfileURL: ..., userProfileUsernameAttr: ..., userProfileDisplayNameAttr: ..., userProfileEmailAttr: ..., tokenURL: ..., authorizationURL: ..., clientID: ..., clientSecret: ..., scope: ...} | An object detailing your OAuth2 provider. Refer to the Mattermost or Nextcloud examples for more details! | | | CMD_OAUTH2_USER_PROFILE_URL | no default, https://example.com | Where to retrieve information about a user after successful login. Needs to output JSON. (no default value) Refer to the Mattermost or Nextcloud examples for more details on all of the CMD_OAUTH2... options. | | | CMD_OAUTH2_USER_PROFILE_USERNAME_ATTR | no default , name | where to find the username in the JSON from the user profile URL. (no default value) | | | CMD_OAUTH2_USER_PROFILE_DISPLAY_NAME_ATTR | no default, display-name | where to find the display-name in the JSON from the user profile URL. (no default value) | | | CMD_OAUTH2_USER_PROFILE_EMAIL_ATTR | no default, email | where to find the email address in the JSON from the user profile URL. (no default value) | | | CMD_OAUTH2_USER_PROFILE_ID_ATTR | no default, user_uuid | where to find the dedicated user ID (optional, overrides CMD_OAUTH2_USER_PROFILE_USERNAME_ATTR) | | | CMD_OAUTH2_TOKEN_URL | no default, https://example.com | sometimes called token endpoint, please refer to the documentation of your OAuth2 provider (no default value) | | | CMD_OAUTH2_AUTHORIZATION_URL | no default, https://example.com | authorization URL of your provider, please refer to the documentation of your OAuth2 provider (no default value) | | | CMD_OAUTH2_CLIENT_ID | no default, afae02fckafd... | you will get this from your OAuth2 provider when you register HedgeDoc as OAuth2-client, (no default value) | | | CMD_OAUTH2_CLIENT_SECRET | no default, afae02fckafd... | you will get this from your OAuth2 provider when you register HedgeDoc as OAuth2-client, (no default value) | | | CMD_OAUTH2_PROVIDERNAME | no default, My institution | Optional name to be displayed at login form indicating the oAuth2 provider | | | CMD_OAUTH2_SCOPE | no default, openid email profile | Scope to request for OIDC (OpenID Connect) providers. | | | CMD_OAUTH2_ROLES_CLAIM | no default, roles | ID token claim, which is supposed to provide an array of strings of roles | | | CMD_OAUTH2_ACCESS_ROLE | no default, role/hedgedoc | The role which should be included in the ID token roles claim to grant access |

SAML Login

| config file | environment | ** default** and example value | description | | ----------- | --------------------------------------- |

|

| | saml | | {idpSsoUrl: ..., idpCert: ..., clientCert: ..., issuer: ..., identifierFormat: ..., disableRequestedAuthnContext: ..., groupAttribute: ..., externalGroups: [], requiredGroups: [], attribute: {id: ..., username: ..., email: ...}} | An object detailing your SAML provider. Refer to the OneLogin and SAML guides for more details! | | | CMD_SAML_IDPSSOURL | no default , https://idp.example.com/sso | authentication endpoint of IdP. for details, see guide. | | | CMD_SAML_IDPCERT | no default, /path/to/cert.pem | certificate file path of IdP in PEM format | | | CMD_SAML_CLIENTCERT | no default , /path/to/privatecert.pem | certificate file path for the client in PEM format (optional) | | | CMD_SAML_ISSUER | no default | Issuer to supply to identity provider (optional, default: serverURL config)" | | | CMD_SAML_DISABLEREQUESTEDAUTHNCONTEXT | no default, true or false | true to allow any authentication method, false restricts to password authentication (PasswordProtectedTransport) method (default: false) | | | CMD_SAML_IDENTIFIERFORMAT | urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress | name identifier format (optional, default: urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress) | | | CMD_SAML_GROUPATTRIBUTE | no default, memberOf | attribute name for group list (optional) | | | CMD_SAML_REQUIREDGROUPS | no default, hedgedoc-users | group names that allowed (use vertical bar to separate) (optional) | | | CMD_SAML_EXTERNALGROUPS | no default, Temporary-staff | group names that not allowed (use vertical bar to separate) (optional) | | | CMD_SAML_ATTRIBUTE_ID | no default, sAMAccountName | attribute map for id (optional, default: NameID of SAML response) | | | CMD_SAML_ATTRIBUTE_USERNAME | no default, mailNickname | attribute map for username (optional, default: NameID of SAML response) | | | CMD_SAML_ATTRIBUTE_EMAIL | no default, mail | attribute map for email (optional, default: NameID of SAML response if CMD_SAML_IDENTIFIERFORMAT is default) |

Twitter Login

| config file | environment | ** default** and example value | description | | ----------- | ---------------------------- | ----------------------------------------- |

| | twitter | | {consumerKey: ..., consumerSecret: ...} | An object containing the consumer key and secret obtained by the Twitter developer tools. For more details have a look at the Twitter auth guide | | | CMD_TWITTER_CONSUMERKEY | no default | Twitter API consumer key | | | CMD_TWITTER_CONSUMERSECRET | no default | Twitter API consumer secret |

Upload Storage

These are only relevant when they are also configured in sync with their CMD_IMAGE_UPLOAD_TYPE. Also keep in mind, that filesystem is available, so you don't have to use either of these.

Amazon S3

| config file | environment | ** default** and example value | description | | ----------- | -------------------------- | ----------------------------------------------------------------------------------------------------------------- |

| | s3 | | { "accessKeyId": "YOUR_S3_ACCESS_KEY_ID", "secretAccessKey": "YOUR_S3_ACCESS_KEY", "region": "YOUR_S3_REGION" } | When imageuploadtype be set to s3, you would also need to setup this key, check our S3 Image Upload Guide | | | CMD_S3_ACCESS_KEY_ID | no default | AWS access key id | | | CMD_S3_SECRET_ACCESS_KEY | no default | AWS secret key | | | CMD_S3_REGION | no default, ap-northeast-1 | AWS S3 region | | s3bucket | CMD_S3_BUCKET | no default | AWS S3 bucket name | | | CMD_S3_ENDPOINT ENV | no default | S3 API endpoint if you don't use AWS name |

Azure Blob Storage

| config file | environment | ** default** and example value | description | | ----------- | ----------------------------- | ----------------------------- | ------------------------------------------------------------------------- | | | CMD_AZURE_CONNECTION_STRING | no default | Azure Blob Storage connection string | | | CMD_AZURE_CONTAINER | no default | Azure Blob Storage container name (automatically created if non existent) |

imgur

config file environment default and example value description
CMD_IMGUR_CLIENTID no default Imgur API client id

Minio

| config file | environment | ** default** and example value | description | | ----------- | ---------------------- |

|

| | minio | | { "accessKey": "YOUR_MINIO_ACCESS_KEY", "secretKey": "YOUR_MINIO_SECRET_KEY", "endpoint": "YOUR_MINIO_HOST", port: 9000, secure: true } | When imageUploadType is set to minio, you need to set this key. Also check out our Minio Image Upload Guide | | | CMD_MINIO_ACCESS_KEY | no default | Minio access key | | | CMD_MINIO_SECRET_KEY | no default | Minio secret key | | | CMD_MINIO_ENDPOINT | no default, minio.example.org | Address of your Minio endpoint/instance | | | CMD_MINIO_PORT | no default, 9000 | Port that is used for your Minio instance | | | CMD_MINIO_SECURE | no default, true | If set to true HTTPS is used for Minio |

Lutim

| config file | environment | ** default** and example value | description | | ----------- | --------------- | ----------------------------- | --------------------------------------------------------------------------- | | lutim | | {"url": "YOUR_LUTIM_URL"} | When imageUploadType is set to lutim, you can setup the lutim url | | | CMD_LUTIM_URL | https://framapic.org/ | When CMD_IMAGE_UPLOAD_TYPE is set to lutim, you can setup the lutim url |