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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 inlib/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 inlib/config/default.js, in case you wonder if you even need to override it. To get started, it is a good idea to take theconfig.json.exampleand copy it toconfig.jsonbefore 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 | |
db.username |
CMD_DB_USERNAME |
undefined, hedgedoc-db-user |
Username used to authenticate to the database (host). |
db.password |
CMD_DB_PASSWORD |
undefined |
Password used to authenticate to the database (host). |
db.database |
CMD_DB_DATABASE |
undefined, hedgedoc |
Name of the database used to store hedgedoc data. |
db.host |
CMD_DB_HOST |
undefined, db-host.example.com |
Hostname used to connect the database server. |
db.post |
CMD_DB_PORT |
undefined, 5432 |
Port used to connect the database server. |
db.dialect |
CMD_DB_DIALECT |
undefined, postgres, mariadb |
Dialect / protocol used to connect to the database. |
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 |
CMD_DOCUMENT_MAX_LENGTH |
100000 |
note max length |
linkifyHeaderStyle |
keep-case, lower-case, gfm |
how is a header text converted into a link id | |
enableStatsApi |
CMD_ENABLE_STATS_API |
true, false |
Enables or disables the /status and /metrics endpoint. |
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, "addDefaults": true} |
Nested object to configure the Content Security Policy | |
csp.enable |
CMD_CSP_ENABLE |
true or false |
Whether to apply a Content-Security-Policy header to responses. We don't recommend disabling this option, as it significantly reduces the security of the application. |
csp.addDefaults |
true or false |
Disable to not include the default CSP. Be careful, this will break the application if the correct directives are not set manually. | |
csp.directives |
no default, {"scriptSrc": "trustworthy-scripts.example.com"} |
Custom CSP directives. These are passed to Helmet - see their documentation for more information on the format. | |
csp.addDisqus |
CMD_CSP_ADD_DISQUS |
false or true |
Enable to allow users to add Disqus comments to their notes or presentations. We don't recommend enabling this option, as it increases the attack surface of XSS attacks. |
csp.addGoogleAnalytics |
CMD_CSP_ADD_GOOGLE_ANALYTICS |
false or true |
Enable to allow users to add Google Analytics to their notes. We don't recommend enabling this option, as it increases the attack surface of XSS attacks. |
csp.upgradeInsecureRequests |
auto or true or false |
By default (auto), insecure (HTTP) requests are upgraded to HTTPS via CSP if useSSL is on. To change this behaviour, set to either true or false. |
|
csp.reportUri |
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. |
csp.allowFraming |
CMD_CSP_ALLOW_FRAMING |
true or false |
Disable to disallow embedding of the instance via iframe. We strongly recommend disabling this option, as it increases the attack surface of XSS attacks. |
csp.allowPDFEmbed |
CMD_CSP_ALLOW_PDF_EMBED |
true or false |
Disable to disallow embedding PDFs. We recommend disabling this option, as it increases the attack surface of XSS attacks. |
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. |
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. |
requireFreeURLAuthentication |
CMD_REQUIRE_FREEURL_AUTHENTICATION |
false or true |
Set to require authentication for FreeURL mode style note creation. |
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. Can be generated with e.g. pwgen -s 64 1. |
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 |
!!! info
If you are using a CA not trusted by Node.js (like Let's Encrypt e.g) for your OAuth2 provider you can set the NODE_EXTRA_CA_CERTS environment variable to the CA certificate file path of your CA.
Remember to also make the file available inside the Docker container, if you're running HedgeDoc in Docker container.
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) |
|
CMD_SAML_PROVIDERNAME |
no default, My institution |
Optional name to be displayed at login form indicating the SAML provider |
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 | |
s3folder |
CMD_S3_FOLDER |
'uploads' | Folder where the files will be saved inside the bucket |
s3publicFiles |
CMD_S3_PUBLIC_FILES |
false |
If se to true set public permissions to files when uploading to s3 storage |
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 |