Fix docker build

Dockerfile

@@ -4,6 +4,7 @@ COPY pom.xml /tmp/pom.xml
 WORKDIR /tmp
 RUN mvn -B -f /tmp/pom.xml dependency:resolve
 COPY src /tmp/src
+COPY openapi /tmp/openapi
 RUN mvn clean install
 
 #Run

README.md

@@ -1,6 +1,11 @@
 # TempServer
 
-## Setup
+This services allows saving, configuring and displaying of sensor values. The sensor type, name and its categories are saved in a postgresdb,
+the values of the different sensors are saved inside a influxdb.
+
+The website uses plain html, css and javascript and can be accessed on port 8080. 
+
+## Prod Setup
 
 This service is run via docker:
 
@@ -21,6 +26,8 @@ This service is run via docker:
    docker compose up -d
    ```
 
+## Dev 
+
 Ardiono IDE ESP8266 Library: http://arduino.esp8266.com/stable/package_esp8266com_index.json
 
 Tile CSS: https://1linelayouts.glitch.me/