diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..62382bf
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,12 @@
+node_modules
+test
+.github
+.vscode
+nextcloud
+production
+config
+certs
+config.*
+docker*
+Docker*
+.git*
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index ef7f1e2..4ca36bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,4 @@ config.yml
 production
 nextcloud
 certs
+config
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..c40ae75
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,21 @@
+FROM node:18
+LABEL authors="Alex Roehm"
+# update dependencies and install curl
+RUN apt-get update && apt-get install -y \
+    curl dumb-init\
+    && rm -rf /var/lib/apt/lists/*
+
+# Create app directory
+WORKDIR /ldap
+RUN chown 1000:1000 .
+
+COPY --chown=node:node . . 
+
+USER 1000:1000
+
+# update each dependency in package.json to the latest version
+ENV NODE_ENV=production
+RUN yarn install --production
+
+EXPOSE 1389
+ENTRYPOINT [ "dumb-init", "node", "." ]
diff --git a/config.example.yml b/config.example.yml
index ca4bd35..54253b6 100644
--- a/config.example.yml
+++ b/config.example.yml
@@ -1,3 +1,9 @@
+server:
+  port: 1389
+  ip: 0.0.0.0
+  updateinterval: 600  // intervall in seconds 
+  cert: certs/ldap.crt
+  key: certs/ldap.key
 sites:
   ccf:
     site:
@@ -8,19 +14,20 @@ sites:
     ldap:
       o: Organisation Name
       dc: dc=myorg,dc=tld   // domain components
-      admin: admin
+      admincn: admin
       password: secret2
-      port: 1389
-      cert: certs/ldap.crt
-      key: certs/ldap.key
    attributes:  // fields to add to user 
       - name: key1
         default: defaultvalue1
         replacements:   // add value to user with id 
-          - id: 156
+          - id: id
             value: extra
       - name: key2
         default: defaultvalue2
+    adminGroup: 
+      cn: "admin" // 
+      members:    // personid s of users to put in admin group
+        - id 
     selectionGroupIds:  // ChurchTools Group Ids - only members of these groups will be served by ldap
       - gid 
       - gid
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..ff77dd5
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,10 @@
+version: '3.1'
+
+services:
+  ccf-ctldap:
+    image: ccf-ctldap
+    ports:
+      - 1389:1389
+    volumes:
+      - ./config:/ldap/config
+      - ./certs:/ldap/certs
diff --git a/index.js b/index.js
index 852aedc..8418d4e 100644
--- a/index.js
+++ b/index.js
@@ -5,6 +5,8 @@ const log = require('./src/logging');
 const nc = require('./src/nextcloud');
 const fs = require('fs');
 const { argv } = require('process');
+const pino = require('pino')
+const pretty = require('pino-pretty')
 
 function write(name, data) {
   try {
@@ -71,7 +73,7 @@ run = async () => {
   } else if (process.argv.includes('--testsnapshot')) {
     sanpshot();
   } else {
-    log.logger.level = 'info'
+    log.logger = pino({ level: 'info', transport: { target: 'pino-pretty' } })
     const config = main.getConfig(c.CONFIG_FILE)
     start = await main.start(
       config,
diff --git a/package.json b/package.json
index 04c63e7..bc247fa 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,8 @@
     "ldapjs": "^2.3.1",
     "path": "^0.12.7",
     "pino": "^8.6.0",
-    "yamljs": "^0.3.0"
+    "yamljs": "^0.3.0",
+    "pino-pretty": "^9.1.0"
+
   }
 }
diff --git a/src/constants.js b/src/constants.js
index 33ce203..de47920 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -1,4 +1,4 @@
-exports.CONFIG_FILE = "./production/config.yml"
+exports.CONFIG_FILE = "/ldap/config/config.yml"
 exports.API_SLUG = "api"
 exports.WHOAMI_AP = "/whoami?only_allow_authenticated=true"
 exports.CSRF_AP = "/csrftoken"
diff --git a/src/ldapcache.js b/src/ldapcache.js
index 3668157..debd452 100644
--- a/src/ldapcache.js
+++ b/src/ldapcache.js
@@ -1,7 +1,6 @@
 const c = require('./constants')
 const log = require('./logging')
 var ldapEsc = require('ldap-escape');
-const { use } = require('chai');
 
 ldapcache = []