diff --git a/configs/clusterConfig.json b/configs/clusterConfig.json
deleted file mode 100644
index 188ac45..0000000
--- a/configs/clusterConfig.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-    [
-        "name": "alex",
-        "metricDataRepository": {
-            "kind": "cc-metric-store",
-            "url": "http://localhost:8082",
-            "token": "eyJhbGciOiJF-E-pQBQ"
-        },
-        "filterRanges": {
-            "numNodes": { "from": 1, "to": 64 },
-            "duration": { "from": 0, "to": 86400 },
-            "startTime": { "from": "2022-01-01T00:00:00Z", "to": null }
-        }
-    ]
-}
diff --git a/configs/config.json b/configs/config.json
index 400468a..49c5f26 100644
--- a/configs/config.json
+++ b/configs/config.json
@@ -1,12 +1,12 @@
 {
     "addr":            "0.0.0.0:443",
     "ldap": {
-		"url":        "ldaps://hpcldap.rrze.uni-erlangen.de",
-		"user_base":   "ou=people,ou=hpc,dc=rrze,dc=uni-erlangen,dc=de",
-		"search_dn":   "cn=hpcmonitoring,ou=roadm,ou=profile,ou=hpc,dc=rrze,dc=uni-erlangen,dc=de",
-		"user_bind":   "uid={username},ou=people,ou=hpc,dc=rrze,dc=uni-erlangen,dc=de",
-		"user_filter": "(&(objectclass=posixAccount)(uid=*))"
-	},
+        "url":        "ldaps://hpcldap.rrze.uni-erlangen.de",
+        "user_base":   "ou=people,ou=hpc,dc=rrze,dc=uni-erlangen,dc=de",
+        "search_dn":   "cn=hpcmonitoring,ou=roadm,ou=profile,ou=hpc,dc=rrze,dc=uni-erlangen,dc=de",
+        "user_bind":   "uid={username},ou=people,ou=hpc,dc=rrze,dc=uni-erlangen,dc=de",
+        "user_filter": "(&(objectclass=posixAccount)(uid=*))"
+    },
     "https-cert-file": "/etc/letsencrypt/live/monitoring.nhr.fau.de/fullchain.pem",
     "https-key-file":  "/etc/letsencrypt/live/monitoring.nhr.fau.de/privkey.pem",
     "user":            "clustercockpit",
@@ -14,5 +14,20 @@
     "archive": {
         "kind": "file",
         "path": "./var/job-archive"
-    }
+    },
+    "clusters": [
+        {
+            "name": "test",
+            "metricDataRepository": {
+                "kind": "cc-metric-store",
+                "url": "http://localhost:8082",
+                "token": "eyJhbGciOiJF-E-pQBQ"
+            },
+            "filterRanges": {
+                "numNodes": { "from": 1, "to": 64 },
+                "duration": { "from": 0, "to": 86400 },
+                "startTime": { "from": "2022-01-01T00:00:00Z", "to": null }
+            }
+        }
+    ]
 }
diff --git a/internal/config/config.go b/internal/config/config.go
index 1474bab..9c5d0b7 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -76,7 +76,7 @@ type ProgramConfig struct {
 	StopJobsExceedingWalltime int `json:"stop-jobs-exceeding-walltime"`
 
 	// Array of Clusters
-	Clusters []*Cluster `json:"Clusters"`
+	Clusters []*Cluster `json:"clusters"`
 }
 
 var Keys ProgramConfig = ProgramConfig{
@@ -85,7 +85,7 @@ var Keys ProgramConfig = ProgramConfig{
 	EmbedStaticFiles:      true,
 	DBDriver:              "sqlite3",
 	DB:                    "./var/job.db",
-	Archive:               []byte(`{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`),
+	Archive:               json.RawMessage(`{\"kind\":\"file\",\"path\":\"./var/job-archive\"}`),
 	DisableArchive:        false,
 	LdapConfig:            nil,
 	SessionMaxAge:         "168h",
@@ -113,7 +113,7 @@ var Keys ProgramConfig = ProgramConfig{
 func Init(flagConfigFile string) {
 	f, err := os.Open(flagConfigFile)
 	if err != nil {
-		if !os.IsNotExist(err) || flagConfigFile != "./config.json" {
+		if !os.IsNotExist(err) {
 			log.Fatal(err)
 		}
 	} else {
@@ -123,5 +123,9 @@ func Init(flagConfigFile string) {
 			log.Fatal(err)
 		}
 		f.Close()
+
+		if Keys.Clusters == nil || len(Keys.Clusters) < 1 {
+			log.Fatal("At least one cluster required in config!")
+		}
 	}
 }
diff --git a/pkg/archive/fsBackend.go b/pkg/archive/fsBackend.go
index a420991..8ff9f31 100644
--- a/pkg/archive/fsBackend.go
+++ b/pkg/archive/fsBackend.go
@@ -20,7 +20,7 @@ import (
 )
 
 type FsArchiveConfig struct {
-	Path string `json:"filePath"`
+	Path string `json:"path"`
 }
 
 type FsArchive struct {
diff --git a/test/api_test.go b/test/api_test.go
index ec6dfbd..ed1304d 100644
--- a/test/api_test.go
+++ b/test/api_test.go
@@ -28,11 +28,17 @@ import (
 
 func setup(t *testing.T) *api.RestApi {
 	const testconfig = `{
-	"addr":            "0.0.0.0:80",
+	"addr":            "0.0.0.0:8080",
 	"archive": {
 		"kind": "file",
 		"path": "./var/job-archive"
+	},
+	"clusters": [
+	{
+	   "name": "testcluster",
+	   "metricDataRepository": {"kind": "test"}
 	}
+	]
 }`
 	const testclusterJson = `{
 "name": "testcluster",
@@ -109,12 +115,11 @@ func setup(t *testing.T) *api.RestApi {
 
 	config.Init(cfgFilePath)
 	archiveCfg := fmt.Sprintf("{\"kind\":\"file\",\"path\":\"%s\"}", jobarchive)
-	config.Keys.Archive = []byte(archiveCfg)
 
 	repository.Connect("sqlite3", dbfilepath)
 	db := repository.GetConnection()
 
-	if err := archive.Init(config.Keys.Archive); err != nil {
+	if err := archive.Init(json.RawMessage(archiveCfg)); err != nil {
 		t.Fatal(err)
 	}