diff --git a/backend/.env.dist b/backend/.env.dist
index 8d5ba317c..0860b9c94 100644
--- a/backend/.env.dist
+++ b/backend/.env.dist
@@ -1,5 +1,5 @@
 # Server
-PORT=4000
+BACKEND_PORT=4000
 JWT_SECRET=secret123
 JWT_EXPIRES_IN=10m
 GRAPHIQL=false
diff --git a/backend/.env.template b/backend/.env.template
index 9b0bc7df2..5212d1e1b 100644
--- a/backend/.env.template
+++ b/backend/.env.template
@@ -1,11 +1,11 @@
 # must match the CONFIG_VERSION.EXPECTED definition in scr/config/index.ts
-CONFIG_VERSION=$BACKEND_CONFIG_VERSION
 
 # Server
 JWT_SECRET=$JWT_SECRET
 JWT_EXPIRES_IN=$JWT_EXPIRES_IN
 GRAPHIQL=false
 GDT_API_URL=$GDT_API_URL
+BACKEND_PORT=$BACKEND_PORT
 
 # Database
 DB_HOST=127.0.0.1
diff --git a/backend/.env.test_e2e b/backend/.env.test_e2e
index e7f3a29c8..1a6c3a214 100644
--- a/backend/.env.test_e2e
+++ b/backend/.env.test_e2e
@@ -1,5 +1,6 @@
 # Server
 JWT_EXPIRES_IN=2m
+BACKEND_PORT=4000
 
 GDT_ACTIVE=false
 HUMHUB_ACTIVE=false
diff --git a/backend/Dockerfile b/backend/Dockerfile
index eeab1ac17..f015350c0 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -17,7 +17,7 @@ ENV BUILD_COMMIT="0000000"
 ## SET NODE_ENV
 ENV NODE_ENV=production
 ## App relevant Envs
-ENV PORT="4000"
+ENV BACKEND_PORT="4000"
 ## Timezone
 ENV TZ=UTC
 ENV DB_HOST=mariadb
@@ -42,7 +42,7 @@ LABEL maintainer="support@gradido.net"
 
 # Settings
 ## Expose Container Port
-EXPOSE ${PORT}
+EXPOSE ${BACKEND_PORT}
 
 ## Workdir
 RUN mkdir -p ${DOCKER_WORKDIR}
diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index b583156b5..f29f0b0f7 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -16,7 +16,7 @@ const logging = {
 }
 
 const server = {
-  PORT: process.env.PORT ?? 4000,
+  BACKEND_PORT: process.env.BACKEND_PORT ?? 4000,
   JWT_SECRET: process.env.JWT_SECRET ?? 'secret123',
   JWT_EXPIRES_IN: process.env.JWT_EXPIRES_IN ?? '10m',
   REDEEM_JWT_TOKEN_EXPIRATION: process.env.REDEEM_JWT_TOKEN_EXPIRATION ?? '10m',
diff --git a/backend/src/config/schema.ts b/backend/src/config/schema.ts
index f4e6033ea..4b13b4e64 100644
--- a/backend/src/config/schema.ts
+++ b/backend/src/config/schema.ts
@@ -260,7 +260,7 @@ export const schema = Joi.object({
     })
     .description('JWT key for HumHub integration, must be the same as configured in humhub'),
 
-  PORT: Joi.number()
+  BACKEND_PORT: Joi.number()
     .integer()
     .min(1024)
     .max(49151)
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 283554a9d..db4bf76b5 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -12,12 +12,12 @@ async function main() {
   const { app } = await createServer(getLogger('apollo'))
 
   await writeJwtKeyPairInHomeCommunity()
-  app.listen(CONFIG.PORT, () => {
+  app.listen(CONFIG.BACKEND_PORT, () => {
     // biome-ignore lint/suspicious/noConsole: no need for logging the start message
-    console.log(`Server is running at http://localhost:${CONFIG.PORT}`)
+    console.log(`Server is running at http://localhost:${CONFIG.BACKEND_PORT}`)
     if (CONFIG.GRAPHIQL) {
       // biome-ignore lint/suspicious/noConsole: no need for logging the start message
-      console.log(`GraphIQL available at http://localhost:${CONFIG.PORT}`)
+      console.log(`GraphIQL available at http://localhost:${CONFIG.BACKEND_PORT}`)
     }
   })
   await startValidateCommunities(Number(CONFIG.FEDERATION_VALIDATE_COMMUNITY_TIMER))
diff --git a/deployment/bare_metal/.env.dist b/deployment/bare_metal/.env.dist
index 059822ea4..a0e449ac2 100644
--- a/deployment/bare_metal/.env.dist
+++ b/deployment/bare_metal/.env.dist
@@ -12,7 +12,7 @@ EMAIL_PASSWORD=1234
 EMAIL_SMTP_HOST=smtp.lustig.de
 EMAIL_SMTP_PORT=587
 
-PORT=4000
+BACKEND_PORT=4000
 
 # if set to true allow sending gradidos to another communities
 FEDERATION_XCOM_SENDCOINS_ENABLED=false
@@ -24,6 +24,14 @@ EMAIL_CODE_VALID_TIME=1440
 # also used for password reset code
 EMAIL_CODE_REQUEST_TIME=10
 
+# Need to adjust by updates
+# config versions
+DATABASE_CONFIG_VERSION=v1.2022-03-18
+BACKEND_CONFIG_VERSION=v23.2024-04-04
+FRONTEND_CONFIG_VERSION=v6.2024-02-27
+ADMIN_CONFIG_VERSION=v2.2024-01-04
+FEDERATION_CONFIG_VERSION=v2.2023-08-24
+FEDERATION_DHT_CONFIG_VERSION=v4.2024-01-17
 FEDERATION_DHT_TOPIC=GRADIDO_HUB
 
 # Need adjustments for test system
diff --git a/dlt-connector/.env.template b/dlt-connector/.env.template
index 963d0169b..92819f579 100644
--- a/dlt-connector/.env.template
+++ b/dlt-connector/.env.template
@@ -21,5 +21,5 @@ GRADIDO_BLOCKCHAIN_CRYPTO_APP_SECRET=$GRADIDO_BLOCKCHAIN_CRYPTO_APP_SECRET
 GRADIDO_BLOCKCHAIN_SERVER_CRYPTO_KEY=$GRADIDO_BLOCKCHAIN_SERVER_CRYPTO_KEY
 
 # Route to Backend
-PORT=$PORT
+BACKEND_PORT=$BACKEND_PORT
 JWT_SECRET=$JWT_SECRET
\ No newline at end of file
diff --git a/dlt-connector/src/client/backend/BackendClient.ts b/dlt-connector/src/client/backend/BackendClient.ts
index 7f779fd73..ce9660e36 100644
--- a/dlt-connector/src/client/backend/BackendClient.ts
+++ b/dlt-connector/src/client/backend/BackendClient.ts
@@ -30,7 +30,7 @@ export class BackendClient {
    */
   private constructor() {
     this.logger = getLogger(`${LOG4JS_BASE_CATEGORY}.client.BackendClient`)
-    this.urlValue = `http://localhost:${CONFIG.PORT}`
+    this.urlValue = `http://localhost:${CONFIG.BACKEND_PORT}`
     this.logger.addContext('url', this.urlValue)
 
     this.client = new GraphQLClient(this.urlValue, {
diff --git a/dlt-connector/src/config/schema.ts b/dlt-connector/src/config/schema.ts
index 645f07470..9490e8a00 100644
--- a/dlt-connector/src/config/schema.ts
+++ b/dlt-connector/src/config/schema.ts
@@ -90,7 +90,7 @@ export const configSchema = v.object({
     v.string('The home folder for the gradido dlt node server'),
     path.join(__dirname, '..', '..', 'gradido_node'),
   ),
-  PORT: v.optional(
+  BACKEND_PORT: v.optional(
     v.pipe(
       v.string('A valid port on which the backend server is running'),
       v.transform<string, number>((input: string) => Number(input)),
diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index 3d68512ce..3898f9991 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -43,6 +43,26 @@ services:
       # bind the local folder to the docker to allow live reload
       - .:/app
 
+  ########################################################
+  # INSPECTOR ############################################
+  ########################################################
+  inspector:
+    # name the image so that it cannot be found in a DockerHub repository, otherwise it will not be built locally from the 'dockerfile' but pulled from there
+    image: gradido/inspector:local-development
+    build:
+      target: development
+    networks:
+      - external-net
+      - internal-net    
+    environment:
+      - NODE_ENV=development
+    volumes:
+      # This makes sure the docker container has its own node modules.
+      # Therefore it is possible to have a different node version on the host machine
+      - node_modules_inspector:/app/node_modules
+      # bind the local folder to the docker to allow live reload
+      - .:/app
+
   ########################################################
   # BACKEND ##############################################
   ########################################################
diff --git a/docker-compose.yml b/docker-compose.yml
index aeaac0c60..d2d88cc9c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -61,6 +61,30 @@ services:
     volumes:
       - ./logs/nginx/admin:/var/log/nginx
 
+  ########################################################
+  # INSPECTOR  ###########################################
+  ########################################################
+  inspector:
+    # name the image so that it cannot be found in a DockerHub repository, otherwise it will not be built locally from the 'dockerfile' but pulled from there
+    image: gradido/inspector:local-production
+    build:
+      context: ./inspector
+      dockerfile: Dockerfile
+      target: production
+    networks:
+      - internal-net
+    ports:
+      - ${INSPECTOR_MODULE_PORT:-3100}:3100
+    environment:
+      - NODE_ENV=production
+      - BUILD_COMMIT=${BUILD_COMMIT}
+      - BUILD_COMMIT_SHORT=${BUILD_COMMIT_SHORT}
+      - BUILD_VERSION=${BUILD_VERSION}
+      # - DEBUG=true
+    volumes:
+      - ./logs/nginx/inspector:/var/log/nginx
+
+
   #########################################################
   ## MARIADB ##############################################
   #########################################################
@@ -97,7 +121,7 @@ services:
     environment:
       # Envs used in Dockerfile
       # - DOCKER_WORKDIR="/app"
-      # - PORT=4000
+      - BACKEND_PORT=4000
       - BUILD_DATE
       - BUILD_VERSION
       - BUILD_COMMIT
@@ -132,7 +156,6 @@ services:
     environment:
       # Envs used in Dockerfile
       # - DOCKER_WORKDIR="/app"
-      # - PORT=5000
       - BUILD_DATE
       - BUILD_VERSION
       - BUILD_COMMIT
@@ -167,7 +190,8 @@ services:
     environment:
       # Envs used in Dockerfile
       # - DOCKER_WORKDIR="/app"
-      - PORT=6010
+      - DLT_CONNECTOR_PORT=6010
+      - BACKEND_PORT=4000
       - BUILD_DATE
       - BUILD_VERSION
       - BUILD_COMMIT