diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 52c31a1..5281b1e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,12 +4,9 @@
 name: Tests
 
 on:
-  push:
-    branches:
-      - '**'
   pull_request:
     branches:
-      - '**'
+      - 'master'
 
 jobs:
   build:
@@ -97,6 +94,13 @@ jobs:
       with:
         gradle-version: 6.8
         arguments: test -x testSql
+    - name: Coverage
+      uses: eskatos/gradle-command-action@v1
+      with:
+        gradle-version: 6.8
+        arguments: coveralls
+      env:
+        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
 
   lint:
     needs: build
diff --git a/README.md b/README.md
index 0031dba..73b7d46 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,9 @@
 
 [![CodeFactor](https://www.codefactor.io/repository/github/flecomte/dc-project/badge?s=869dc426625a253a07bea95f9380e23fdb048b94)](https://www.codefactor.io/repository/github/flecomte/dc-project)
 [![Tests](https://github.com/flecomte/dc-project/actions/workflows/tests.yml/badge.svg)](https://github.com/flecomte/dc-project/actions/workflows/tests.yml)
+[![Coverage Status](https://coveralls.io/repos/github/flecomte/dc-project/badge.svg?branch=master)](https://coveralls.io/github/flecomte/dc-project?branch=master)
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/0ec4fe63370148ca956974f90f8d55be)](https://www.codacy.com/gh/flecomte/dc-project/dashboard?utm_source=github.com&utm_medium=referral&utm_content=flecomte/dc-project&utm_campaign=Badge_Grade)
+
 
 [Installation](./doc/installation/Installation.md)
 
diff --git a/build.gradle.kts b/build.gradle.kts
index a49c495..cf30e10 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -41,6 +41,7 @@ plugins {
     id("net.nemerosa.versioning") version "2.14.0"
     id("io.gitlab.arturbosch.detekt") version "1.16.0-RC1"
     id("com.avast.gradle.docker-compose") version "0.14.0"
+    id("com.github.kt3k.coveralls") version "2.8.4"
 }
 
 application {
@@ -60,6 +61,9 @@ buildscript {
     }
 }
 
+tasks.distZip.configure { enabled = false }
+tasks.distTar.configure { enabled = false }
+
 tasks.withType<KotlinCompile> {
     kotlinOptions {
         jvmTarget = "11"
@@ -191,10 +195,20 @@ tasks.test {
     useJUnitPlatform()
     systemProperty("junit.jupiter.execution.parallel.enabled", true)
     dependsOn(testSql)
-    finalizedBy(tasks.ktlintCheck)
     finalizedBy(tasks.jacocoTestReport) // report is always generated after tests run
 }
 
+coveralls {
+    sourceDirs.add("src/main/kotlin")
+}
+
+tasks.register("testAll") {
+    group = "verification"
+    dependsOn(testSql)
+    dependsOn(tasks.test)
+    dependsOn(tasks.ktlintCheck)
+}
+
 apply(plugin = "docker-compose")
 dockerCompose {
     projectName = "dc-project"
diff --git a/src/main/kotlin/fr/dcproject/component/article/ArticleViewManager.kt b/src/main/kotlin/fr/dcproject/component/article/ArticleViewManager.kt
index 7150216..757a47a 100644
--- a/src/main/kotlin/fr/dcproject/component/article/ArticleViewManager.kt
+++ b/src/main/kotlin/fr/dcproject/component/article/ArticleViewManager.kt
@@ -59,33 +59,33 @@ class ArticleViewManager <A> (private val restClient: RestClient) : ViewManager<
             //language=JSON
             setJsonEntity(
                 """
-            {
-              "size": 0,
-              "query": {
-                "bool": {
-                  "must": {
-                    "term": {
-                      "version_id": "${entity.versionId}"
+                {
+                  "size": 0,
+                  "query": {
+                    "bool": {
+                      "must": {
+                        "term": {
+                          "version_id": "${entity.versionId}"
+                        }
+                      }
+                    }
+                  },
+                  "aggs" : {
+                    "total": {
+                      "composite" : {
+                        "sources" : [
+                          { "version_id": { "terms": {"field": "version_id" } } }
+                        ]
+                      }
+                    },
+                    "unique" : {
+                      "cardinality" : {
+                        "field" : "user_ref",
+                        "precision_threshold": 1
+                      }
                     }
                   }
                 }
-              },
-              "aggs" : {
-                "total": {
-                  "composite" : {
-                    "sources" : [
-                      { "version_id": { "terms": {"field": "version_id" } } }
-                    ]
-                  }
-                },
-                "unique" : {
-                  "cardinality" : {
-                    "field" : "user_ref",
-                    "precision_threshold": 1
-                  }
-                }
-              }
-            }
                 """.trimIndent()
             )
         }