diff --git a/.github/workflows/build-deploy.yml b/.github/workflows/build-deploy.yml
index 2a31c060..2c55d871 100644
--- a/.github/workflows/build-deploy.yml
+++ b/.github/workflows/build-deploy.yml
@@ -3,6 +3,7 @@ name: Maven CI/CD
 on:
   push:
     branches: [master]
+    tags: [v*]
   workflow_dispatch:
 
 jobs:
@@ -33,24 +34,51 @@ jobs:
     needs: [build_and_publish]
 
     steps:
-      - name: Checkout
+      - 
+        name: Checkout
         uses: actions/checkout@v2
-      - name: Download war artifact
+      - 
+        name: Download war artifact
         uses: actions/download-artifact@v2
         with:
           name: docs-web-ci.war
           path: docs-web/target
-      - name: Setup up Docker Buildx
+      - 
+        name: Setup up Docker Buildx
         uses: docker/setup-buildx-action@v1
-      - name: Login to DockerHub
+      - 
+        name: Login to DockerHub
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Build and push
+      - 
+        name: Populate Docker metadata
+        id: metadata
+        uses: docker/metadata-action@v3
+        with:
+          images: sismics/docs
+          flavor: |
+            latest=false
+          tags: |
+            type=ref,event=tag
+            type=raw,value=latest,enable=${{ github.ref_type != 'tag' }}
+          labels: |
+            org.opencontainers.image.title = Teedy
+            org.opencontainers.image.description = Teedy is an open source, lightweight document management system for individuals and businesses.
+            org.opencontainers.image.created = ${{ github.event_created_at }}
+            org.opencontainers.image.author = Sismics
+            org.opencontainers.image.url = https://teedy.io/
+            org.opencontainers.image.vendor = Sismics
+            org.opencontainers.image.license = GPLv2
+            org.opencontainers.image.version = ${{ github.event_head_commit.id }}
+      - 
+        name: Build and push
         id: docker_build
         uses: docker/build-push-action@v2
         with:
           context: .
-          push: true
-          tags: sismics/docs:latest
\ No newline at end of file
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.labels }}
diff --git a/Dockerfile b/Dockerfile
index 48dd8f25..71fbad12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ RUN apt-get update && \
     mediainfo \
     tesseract-ocr \
     tesseract-ocr-ara \
+    tesseract-ocr-ces \
     tesseract-ocr-chi-sim \
     tesseract-ocr-chi-tra \
     tesseract-ocr-dan \
@@ -39,4 +40,4 @@ RUN rm -f /opt/jetty/lib/mail/javax.mail.glassfish-*.jar
 ADD docs.xml /opt/jetty/webapps/docs.xml
 ADD docs-web/target/docs-web-*.war /opt/jetty/webapps/docs.war
 
-ENV JAVA_OPTIONS -Xmx1g
\ No newline at end of file
+ENV JAVA_OPTIONS -Xmx1g
diff --git a/docs-core/src/main/java/com/sismics/docs/core/constant/Constants.java b/docs-core/src/main/java/com/sismics/docs/core/constant/Constants.java
index 52e5faa4..16de2b85 100644
--- a/docs-core/src/main/java/com/sismics/docs/core/constant/Constants.java
+++ b/docs-core/src/main/java/com/sismics/docs/core/constant/Constants.java
@@ -43,7 +43,7 @@ public class Constants {
     /**
      * Supported document languages.
      */
-    public static final List<String> SUPPORTED_LANGUAGES = Lists.newArrayList("eng", "fra", "ita", "deu", "spa", "por", "pol", "rus", "ukr", "ara", "hin", "chi_sim", "chi_tra", "jpn", "tha", "kor", "nld", "tur", "heb", "hun", "fin", "swe", "lav", "dan", "nor", "vie");
+    public static final List<String> SUPPORTED_LANGUAGES = Lists.newArrayList("eng", "fra", "ita", "deu", "spa", "por", "pol", "rus", "ukr", "ara", "hin", "chi_sim", "chi_tra", "jpn", "tha", "kor", "nld", "tur", "heb", "hun", "fin", "swe", "lav", "dan", "nor", "vie", "ces");
 
     /**
      * Base URL environment variable.
diff --git a/docs-web/src/main/webapp/src/app/docs/app.js b/docs-web/src/main/webapp/src/app/docs/app.js
index db15cc37..c4de5660 100644
--- a/docs-web/src/main/webapp/src/app/docs/app.js
+++ b/docs-web/src/main/webapp/src/app/docs/app.js
@@ -545,7 +545,8 @@ angular.module('docs',
     { key: 'lav', label: 'Latviešu' },
     { key: 'dan', label: 'Dansk' },
     { key: 'nor', label: 'Norsk' },
-    { key: 'vie', label: 'Tiếng Việt' }
+    { key: 'vie', label: 'Tiếng Việt' },
+    { key: 'ces', label: 'Czech' }
   ];
 })
 /**