Configuration

Environmental Variable	Description	Default
`DATA_REFRESH_INTERVAL`	Interval for data redownload and reparse. `off` disables this refreshing.	12h
`INITIAL_DATA_DIRECTORY`	Directory filepath with initial files to use instead of downloading. Periodic downloads will replace the initial files.	Empty
`HTTPS_CERT_FILE`	Filepath containing a certificate (or intermediate chain) to be served by the HTTP server. Requires all traffic be over secure HTTP.	Empty
`HTTPS_KEY_FILE`	Filepath of a private key matching the leaf certificate from `HTTPS_CERT_FILE`.	Empty
`LOG_FORMAT`	Format for logging lines to be written as.	Options: `json`, `plain` - Default: `plain`
`LOG_LEVEL`	Level of logging to emit.	Options: `trace`, `info` - Default: `info`

Similarity Configuration

Environmental Variable	Description	Default
`SEARCH_GOROUTINE_COUNT`	Set a fixed number of goroutines used for each search. Default is to dynamically optimize for faster results.	Empty
`KEEP_STOPWORDS`	Boolean to keep stopwords in names.	`false`
`JARO_WINKLER_BOOST_THRESHOLD`	Jaro-Winkler boost threshold.	0.7
`JARO_WINKLER_PREFIX_SIZE`	Jaro-Winkler prefix size.	4
`LENGTH_DIFFERENCE_CUTOFF_FACTOR`	Minimum ratio for the length of two matching tokens, before they score is penalised.	0.9
`LENGTH_DIFFERENCE_PENALTY_WEIGHT`	Weight of penalty applied to scores when two matching tokens have different lengths.	0.3
`DIFFERENT_LETTER_PENALTY_WEIGHT`	Weight of penalty applied to scores when two matching tokens begin with different letters.	0.9
`UNMATCHED_INDEX_TOKEN_WEIGHT`	Weight of penalty applied to scores when part of the indexed name isn’t matched.	0.15
`ADJACENT_SIMILARITY_POSITIONS`	How many nearby words to search for highest max similarly score.	3
`EXACT_MATCH_FAVORITISM`	Extra weighting assigned to exact matches.	0.0
`DISABLE_PHONETIC_FILTERING`	Force scoring search terms against every indexed record.	`false`

Source List Configuration

Environmental Variable	Description	Default
`OFAC_DOWNLOAD_TEMPLATE`	HTTP address for downloading raw OFAC files.	`https://www.treasury.gov/ofac/downloads/%s`
`EU_CSL_TOKEN`	Token used to download the EU Consolidated Screening List	`<valid-token>`
`EU_CSL_DOWNLOAD_URL`	Use an alternate URL for downloading EU Consolidated Screening List	Subresource of `webgate.ec.europa.eu`
`UK_CSL_DOWNLOAD_URL`	Use an alternate URL for downloading UK Consolidated Screening List	Subresource of `www.gov.uk`
`UK_SANCTIONS_LIST_URL`	Use an alternate URL for downloading UK Sanctions List	Subresource of `www.gov.uk`
`WITH_UK_SANCTIONS_LIST`	Download and parse the UK Sanctions List on startup.	Default: `false`
`US_CSL_DOWNLOAD_URL`	Use an alternate URL for downloading US Consolidated Screening List	Subresource of `api.trade.gov`
`CSL_DOWNLOAD_TEMPLATE`	Same as `US_CSL_DOWNLOAD_URL`

Data persistence

By design, Watchman does not persist (save) any data about the search queries or actions created. The only storage occurs in memory of the process and upon restart Watchman will have no files or data saved. Also, no in-memory encryption of the data is performed.