diff --git a/README.md b/README.md
index 1ed0803..7494173 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ __FritzAB2Matrix__ reads out the answering machine (_TAM_) of a _Fritz!Box_ in y
 
 Uses the python based cmd-line-tool [matrix-commander](https://github.com/8go/matrix-commander) so the matrix-commander.py in this repo is just a copy of that file to ease testing.
 ## Features
- * Since _v0.1.1_ __Multitam__ is integrated so that you can check multiple answering machines __and__ post the messages to different matrix rooms. (Use FRITZ\_TAM_ variable in .env file)
+ * Since _v0.1.1_ __Multitam__ is integrated so that you can check multiple answering machines __and__ post the messages to different matrix rooms. (Use _FRITZ\_TAM_ variable in .env file)
 ## Installation
 If you like to test this repository you are recommended to use one of the following two options.
 ### Necessary preparations for both cases
@@ -67,4 +67,4 @@ Especially to
  * https://github.com/jiaaro/pydub/
  * https://git.savannah.nongnu.org/cgit/fbvbconv-py.git/
  
- 
+ 
\ No newline at end of file
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 4989b6a..1091952 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,8 +1,9 @@
 # syntax=docker/dockerfile:1
 
-FROM ubuntu:latest
+FROM alpine:latest
 
 ENV TZ=Europe/Berlin
+ENV UNBUFFERED=1
 
 WORKDIR /app
 VOLUME /app
@@ -10,23 +11,10 @@ VOLUME /app
 COPY . .
 
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone; \
-    /bin/bash -c 'apt update && apt install -y libolm-dev python3-pip ffmpeg htop; \
-    pip install update pip && pip install -r requirements.txt ;'
-
-
-
-ENTRYPOINT ["./fritzab2matrix.py "]
-
-
-
-
-
-
-
-
-
-
-
+    /bin/sh -c 'apk update && apk add --no-cache gcc musl-dev python3-dev py3-pip libffi-dev openssl-dev cargo zlib-dev jpeg-dev speex ffmpeg htop; \
+    pip install update pip && pip install -r requirements.txt ; \
+    apk del zlib-dev jpeg-dev gcc musl-dev python3-dev libffi-dev openssl-dev cargo;'
 
 
 
+ENTRYPOINT ["python3", "-u", "fritzab2matrix.py "]
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 7c963f5..49e9071 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -7,7 +7,7 @@ services:
       context: ../.
       dockerfile: ./docker/Dockerfile
     working_dir: /app
-    entrypoint: ./fritzab2matrix.py
+    entrypoint: /bin/sh -c "export UNBUFFERED=1 && python3 -u ./fritzab2matrix.py"
     volumes:
       - ../.:/app
 
diff --git a/requirements.txt b/requirements.txt
index aed142a..8cdb0c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,12 +7,12 @@ pydub
 # for matrix-commander
 
 aiohttp
-aiofiles<0.5.0,>=0.4.0
+aiofiles
 argparse
 asyncio
 datetime
 markdown
-matrix-nio[e2e]>=0.14.1
+matrix-nio
 Pillow
 python_magic
 uuid