diff --git a/.dockerignore b/.dockerignore
index f410a4c1f..cce014ace 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,6 +1,6 @@
 deps
 doc
-hslayers
+timgen
 layman*
 sample
 test
diff --git a/.env.demo b/.env.demo
index f0d01287e..227d2c634 100644
--- a/.env.demo
+++ b/.env.demo
@@ -41,7 +41,7 @@ LAYMAN_SERVER_NAME=layman:8000
 LAYMAN_PROXY_SERVER_NAME=localhost
 
 # internal settings
-LAYMAN_TIMGEN_URL=http://hslayers:8080/
+LAYMAN_TIMGEN_URL=http://timgen:8080/
 LAYMAN_CLIENT_URL=http://layman_client:3000/client/
 
 # client
diff --git a/.env.dev b/.env.dev
index e2f5b1569..a3e27f582 100644
--- a/.env.dev
+++ b/.env.dev
@@ -42,7 +42,7 @@ LAYMAN_SERVER_NAME=layman_dev:8000
 LAYMAN_PROXY_SERVER_NAME=localhost:8000
 
 # internal settings
-LAYMAN_TIMGEN_URL=http://hslayers:8080/
+LAYMAN_TIMGEN_URL=http://timgen:8080/
 LAYMAN_CLIENT_URL=http://layman_client:3000/client/
 
 # client
diff --git a/.env.test b/.env.test
index b67bce5b2..056631475 100644
--- a/.env.test
+++ b/.env.test
@@ -42,7 +42,7 @@ LAYMAN_SERVER_NAME=layman_test_run_1:8000
 LAYMAN_PROXY_SERVER_NAME=layman_test_run_1:8000
 
 # internal settings
-LAYMAN_TIMGEN_URL=http://hslayers:8080/
+LAYMAN_TIMGEN_URL=http://timgen:8080/
 LAYMAN_CLIENT_URL=http://layman_client_test:3000/client/
 
 # client
diff --git a/.travis.yml b/.travis.yml
index 3c67dc52f..6d617acab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,7 +28,7 @@ script:
 
 after_failure:
 - docker logs layman_celery_worker_test_1
-- docker logs hslayers
+- docker logs timgen
 - docker logs micka
 - git clone https://jirik:${GITHUB_TOKEN}@gist.github.com/3c7f15736f03e8711d5dde8445f6b68d.git
   travis-artifacts
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ecee0d23..39937b0e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 ### Upgrade requirements
 - Upgrade Micka to [v2020.010](https://github.com/hsrs-cz/Micka/releases/tag/v2020.010).
 - Add [CSW_PROXY_URL](doc/env-settings.md#CSW_PROXY_URL) to distinguish between internal CSW URL for Layman and public CSW URL for clients.
+- Rename host [LAYMAN_TIMGEN_URL](doc/env-settings.md#LAYMAN_TIMGEN_URL) of from `hslayers` to `timgen`.
 
 ### Changes
 - Publish metadata record of [map](doc/models.md#map) to Micka on [POST Maps](doc/rest.md#post-maps).
@@ -31,6 +32,7 @@
 - Assert version of Micka on startup.
 - Load data into redis on startup even in Flower.
 - Better handle Micka's HTTP errors, [#43](https://github.com/jirik/layman/issues/43)
+- Rename hslayers container to timgen (Thumbnail Image Generator)
 
 ## v1.1.8
 2020-03-16
diff --git a/Makefile b/Makefile
index c57ceccc5..17b6e3e14 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,19 @@
 .PHONY: test
 
 start-demo:
-	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up --force-recreate postgresql geoserver redis layman celery_worker flower hslayers layman_client nginx
+	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up --force-recreate postgresql geoserver redis layman celery_worker flower timgen layman_client nginx
 
 start-demo-d:
-	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up -d --force-recreate postgresql geoserver redis layman celery_worker flower hslayers layman_client nginx
+	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up -d --force-recreate postgresql geoserver redis layman celery_worker flower timgen layman_client nginx
 
 start-demo-full:
-	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up --force-recreate postgresql geoserver redis layman celery_worker flower hslayers layman_client micka nginx
+	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up --force-recreate postgresql geoserver redis layman celery_worker flower timgen layman_client micka nginx
 
 start-demo-full-d:
-	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up -d --force-recreate postgresql geoserver redis layman celery_worker flower hslayers layman_client micka nginx
+	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up -d --force-recreate postgresql geoserver redis layman celery_worker flower timgen layman_client micka nginx
 
 start-demo-only-d:
-	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up -d --force-recreate --no-deps layman celery_worker flower hslayers layman_client
+	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up -d --force-recreate --no-deps layman celery_worker flower timgen layman_client
 
 stop-demo:
 	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml stop
@@ -25,7 +25,7 @@ start-demo-full-with-optional-deps-d:
 	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml up -d --force-recreate
 
 build-demo:
-	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml build layman layman_client geoserver hslayers
+	docker-compose -f docker-compose.deps.demo.yml -f docker-compose.demo.yml build layman layman_client geoserver timgen
 
 deps-start:
 	docker-compose -f docker-compose.deps.yml up --force-recreate -d
@@ -43,15 +43,15 @@ stop-dev:
 	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml stop
 
 start-dev-only:
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml rm -fsv layman_dev celery_worker_dev flower hslayers layman_client
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml up layman_dev celery_worker_dev flower hslayers layman_client
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml rm -fsv layman_dev celery_worker_dev flower timgen layman_client
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml up layman_dev celery_worker_dev flower timgen layman_client
 
 start-dev-only-d:
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml rm -fsv layman_dev celery_worker_dev flower hslayers layman_client
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml up -d layman_dev celery_worker_dev flower hslayers layman_client
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml rm -fsv layman_dev celery_worker_dev flower timgen layman_client
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml up -d layman_dev celery_worker_dev flower timgen layman_client
 
 stop-dev-only:
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml stop layman_dev celery_worker_dev flower hslayers layman_client
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml stop layman_dev celery_worker_dev flower timgen layman_client
 
 restart-dev:
 	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml up --force-recreate --no-deps -d layman_dev celery_worker_dev
@@ -110,15 +110,15 @@ reset-data-directories:
 clear-python-cache-dev:
 	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml run --rm --no-deps layman_dev bash /code/src/clear-python-cache.sh
 
-hslayers-build:
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml build hslayers
+timgen-build:
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml build timgen
 
-hslayers-restart:
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml build hslayers
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml up --force-recreate --no-deps -d hslayers
+timgen-restart:
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml build timgen
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml up --force-recreate --no-deps -d timgen
 
-hslayers-bash:
-	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml run --rm hslayers sh
+timgen-bash:
+	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml run --rm timgen sh
 
 client-build:
 	docker-compose -f docker-compose.deps.yml -f docker-compose.dev.yml build layman_client
diff --git a/README.md b/README.md
index 8380d3ef1..ac5de08e8 100644
--- a/README.md
+++ b/README.md
@@ -155,7 +155,7 @@ After providing external dependencies there is time to provide **internal depend
 
 Pipenv is recommended tool for installing **python-level** dependencies. Both Pipfile and Pipfile.lock are located in [`docker/`](docker/) directory.
 
-Npm is recommended tool for installing **node.js-level** dependencies. Both package.json and package-lock.json are located in [`hslayers/`](hslayers/) directory.
+Npm is recommended tool for installing **node.js-level** dependencies. Both package.json and package-lock.json are located in [`timgen/`](timgen/) directory.
 
 Next you need to choose how you deploy Layman. As Layman is Flask application, check Flask's [deployment options](https://flask.palletsprojects.com/en/1.1.x/deploying/). Layman is safe to run with multiple WSGI Flask processes and with multiple Celery worker processes.
 
@@ -167,7 +167,7 @@ Configure Layman using [environment settings](doc/env-settings.md). Demo configu
 - [LTC_SESSION_SECRET](doc/env-settings.md#LTC_SESSION_SECRET)
 
 Last, start layman and necessary services:
-- thumbnail image generator (Timgen, also referred to as hslayers) using npm (see startup command of `hslayers` docker-compose service)
+- thumbnail image generator (Timgen) using npm (see startup command of `timgen` docker-compose service)
 - Layman client using npm (see startup command of `layman_client` docker-compose service)
 - Layman using your deployment server (see startup command of `layman` docker-compose service)
 - Layman celery worker using python (see startup command of `celery_worker` docker-compose service)
diff --git a/doc/dependencies.md b/doc/dependencies.md
index 11919a68c..a8d151964 100644
--- a/doc/dependencies.md
+++ b/doc/dependencies.md
@@ -23,8 +23,8 @@
 | [chromium](https://www.chromium.org/) | 77+ | BSD and others | Dockerfile | prod | bin | for client-side map rendering and integration testing |
 | [chromedriver](http://chromedriver.chromium.org/) | 77+ | BSD and others | Dockerfile | prod | bin | for client-side map rendering and integration testing |
 | [pipenv](https://pipenv.kennethreitz.org/en/latest/) | 2018.11.26 | MIT | Dockerfile | prod | bin | to install Python dependencies |
-| [node.js](https://pipenv.kennethreitz.org/en/latest/) | 10 | MIT | hslayers/Dockerfile | prod | bin | to run Timgen |
-| [npm](https://www.npmjs.com/get-npm) | 6 | Artistic License 2.0 | hslayers/Dockerfile | prod | bin | to install node.js dependencies |
+| [node.js](https://pipenv.kennethreitz.org/en/latest/) | 10 | MIT | timgen/Dockerfile | prod | bin | to run Timgen |
+| [npm](https://www.npmjs.com/get-npm) | 6 | Artistic License 2.0 | timgen/Dockerfile | prod | bin | to install node.js dependencies |
 | [node.js](https://pipenv.kennethreitz.org/en/latest/) | 12 | MIT | client/docker/Dockerfile | prod | bin | to run Layman Test Client |
 | [npm](https://www.npmjs.com/get-npm) | 6 | Artistic License 2.0 | client/docker/Dockerfile | prod | bin | to install node.js dependencies |
 | [layman-test-client](https://github.com/jirik/layman-test-client) | 1.0.0 | GNU GPL v3 | docker-compose.yml | opt | bin | to demonstrate communication with REST API |
@@ -53,10 +53,10 @@
 ### Node.js dependencies
 | name | license | used by | env | bin or src | purpose |
 | --- | --- | --- | --- | --- | --- |
-| [openlayers](https://openlayers.org/) | BSD 2-Clause | hslayers/package.json | prod | bin | for client-side map rendering in Timgen |
-| [http-server](https://www.npmjs.com/package/http-server) | MIT | hslayers/package.json | prod | bin | as static HTTP server for Timgen |
-| [cors-anywhere](https://www.npmjs.com/package/cors-anywhere) | MIT | hslayers/package.json | prod | bin | for proxying Timgen requests |
-| [file-saver](https://www.npmjs.com/package/file-saver) | MIT | hslayers/package.json | prod | bin | for saving images in Timgen |
+| [openlayers](https://openlayers.org/) | BSD 2-Clause | timgen/package.json | prod | bin | for client-side map rendering in Timgen |
+| [http-server](https://www.npmjs.com/package/http-server) | MIT | timgen/package.json | prod | bin | as static HTTP server for Timgen |
+| [cors-anywhere](https://www.npmjs.com/package/cors-anywhere) | MIT | timgen/package.json | prod | bin | for proxying Timgen requests |
+| [file-saver](https://www.npmjs.com/package/file-saver) | MIT | timgen/package.json | prod | bin | for saving images in Timgen |
 
 ## Other dependencies
 
diff --git a/docker-compose.demo.yml b/docker-compose.demo.yml
index f1a6e006c..325cc58f3 100644
--- a/docker-compose.demo.yml
+++ b/docker-compose.demo.yml
@@ -20,7 +20,7 @@ services:
         - ./layman_data:/layman_data
         - ./src/layman_settings_demo.py:/code/src/layman_settings.py
       depends_on:
-        - hslayers
+        - timgen
         - layman_client
         - redis
         - postgresql
@@ -60,16 +60,16 @@ services:
       depends_on:
         - celery_worker
 
-   hslayers:
-      container_name: hslayers
+   timgen:
+      container_name: timgen
       build:
-        context: hslayers
+        context: timgen
         dockerfile: Dockerfile.production
         args:
            - LAYMAN_GS_HOST=${LAYMAN_GS_HOST}
            - LAYMAN_GS_PORT=${LAYMAN_GS_PORT}
            - LAYMAN_SERVER_NAME=${LAYMAN_SERVER_NAME}
-      image: hslayers:latest
+      image: timgen:latest
       user: ${UID_GID}
       command: sh -c "node proxy.js & ./node_modules/.bin/http-server dist/"
       extra_hosts:
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 58bfe2374..d89d8b7e0 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -20,7 +20,7 @@ services:
         - ./tmp:/code/tmp
         - ./start.sh:/code/start.sh
       depends_on:
-        - hslayers
+        - timgen
         - redis
         - postgresql
         - geoserver
@@ -63,16 +63,16 @@ services:
       depends_on:
         - celery_worker_dev
 
-   hslayers:
-      container_name: hslayers
+   timgen:
+      container_name: timgen
       build:
-        context: hslayers
+        context: timgen
         dockerfile: Dockerfile.production
         args:
            - LAYMAN_GS_HOST=${LAYMAN_GS_HOST}
            - LAYMAN_GS_PORT=${LAYMAN_GS_PORT}
            - LAYMAN_SERVER_NAME=${LAYMAN_SERVER_NAME}
-      image: hslayers:latest
+      image: timgen:latest
       user: ${UID_GID}
       command: sh -c "node proxy.js & ./node_modules/.bin/http-server dist/"
 #      ports:
diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index a2ee89653..f4a50c007 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -17,7 +17,7 @@ services:
         - ./test.sh:/code/test.sh
       depends_on:
         - celery_worker_test
-        - hslayers
+        - timgen
         - layman_client_test
 
    celery_worker_test:
@@ -40,16 +40,16 @@ services:
         - geoserver
         - micka
 
-   hslayers:
-      container_name: hslayers
+   timgen:
+      container_name: timgen
       build:
-        context: hslayers
+        context: timgen
         dockerfile: Dockerfile.production
         args:
            - LAYMAN_GS_HOST=${LAYMAN_GS_HOST}
            - LAYMAN_GS_PORT=${LAYMAN_GS_PORT}
            - LAYMAN_SERVER_NAME=${LAYMAN_SERVER_NAME}
-      image: hslayers:latest
+      image: timgen:latest
       user: ${UID_GID}
       command: sh -c "node proxy.js & ./node_modules/.bin/http-server dist/"
 #      ports:
diff --git a/src/layman/map/filesystem/thumbnail.py b/src/layman/map/filesystem/thumbnail.py
index 4756b0201..5c71f71b2 100644
--- a/src/layman/map/filesystem/thumbnail.py
+++ b/src/layman/map/filesystem/thumbnail.py
@@ -81,8 +81,8 @@ def generate_map_thumbnail(username, mapname):
         'map_def_url': map_file_get_url,
         # 'file_name': tmp_file_name,
     })
-    hslayers_url = f"{settings.LAYMAN_TIMGEN_URL}?{params}"
-    # current_app.logger.info(f"HSLayers URL: {hslayers_url}")
+    timgen_url = f"{settings.LAYMAN_TIMGEN_URL}?{params}"
+    # current_app.logger.info(f"Timgen URL: {timgen_url}")
 
     chrome_options = Options()
     chrome_options.add_argument("--headless")
@@ -95,7 +95,7 @@ def generate_map_thumbnail(username, mapname):
     )
     chrome.set_window_size(500,500)
 
-    chrome.get(hslayers_url)
+    chrome.get(timgen_url)
     entries = chrome.get_log('browser')
     max_attempts = 40
     attempts = 0
diff --git a/hslayers/.babelrc b/timgen/.babelrc
similarity index 100%
rename from hslayers/.babelrc
rename to timgen/.babelrc
diff --git a/hslayers/.gitignore b/timgen/.gitignore
similarity index 100%
rename from hslayers/.gitignore
rename to timgen/.gitignore
diff --git a/hslayers/Dockerfile.production b/timgen/Dockerfile.production
similarity index 100%
rename from hslayers/Dockerfile.production
rename to timgen/Dockerfile.production
diff --git a/hslayers/config.js b/timgen/config.js
similarity index 100%
rename from hslayers/config.js
rename to timgen/config.js
diff --git a/hslayers/index.html b/timgen/index.html
similarity index 100%
rename from hslayers/index.html
rename to timgen/index.html
diff --git a/hslayers/index.js b/timgen/index.js
similarity index 100%
rename from hslayers/index.js
rename to timgen/index.js
diff --git a/hslayers/package-lock.json b/timgen/package-lock.json
similarity index 99%
rename from hslayers/package-lock.json
rename to timgen/package-lock.json
index 0b5da8103..7c315834f 100644
--- a/hslayers/package-lock.json
+++ b/timgen/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "hslayers",
+  "name": "timgen",
   "version": "1.0.0",
   "lockfileVersion": 1,
   "requires": true,
diff --git a/hslayers/package.json b/timgen/package.json
similarity index 96%
rename from hslayers/package.json
rename to timgen/package.json
index 0bc3ce722..ae7e38460 100644
--- a/hslayers/package.json
+++ b/timgen/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "hslayers",
+  "name": "timgen",
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
diff --git a/hslayers/proxy.js b/timgen/proxy.js
similarity index 100%
rename from hslayers/proxy.js
rename to timgen/proxy.js
diff --git a/hslayers/src/map.js b/timgen/src/map.js
similarity index 100%
rename from hslayers/src/map.js
rename to timgen/src/map.js