Revert "Add protoc, protoc-gen-elixir to jammy and focal (#31)"

This reverts commit 7d5f5fa.

README.md

@@ -3,16 +3,15 @@
 [![Docker Pulls](https://img.shields.io/docker/pulls/membraneframeworklabs/docker_membrane)][membraneframeworklabs]
 [![GitHub forks](https://img.shields.io/github/forks/membraneframework/docker-membrane?style=social)][github]
 
-A Docker image based on Ubuntu, with Erlang, Elixir, Node.js, Rust and libraries necessary to test and run the [Membrane Framework].
+A Docker image based on Ubuntu, with Erlang, Elixir, Node.js and libraries necessary to test and run the [Membrane Framework].
 
 Image has been moved to [membraneframeworklabs]
 
 ## Image variants
 
 This image comes in many flavours, based on different Ubuntu releases and package versions:
 
-- `latest`, `jammy` - based on Ubuntu 22.04
-- `focal` - based on Ubuntu 20.04
+- `latest`, `focal` - based on Ubuntu 20.04
 - `bionic` - based on Ubuntu 18.04, **deprecated**
 
 ## Package versions
@@ -33,7 +32,6 @@ This image comes in many flavours, based on different Ubuntu releases and packag
 | libsrtp2  | -             | 2.3.0  	         | 2.4.2            |
 | libnice   | -             | master (833c1aa) | -                |
 | libmp3lame| -             | 3.100            | 3.100            |
-| protoc    | -             | 24.2             | 24.2             |
 
 
 ### Version selection
@@ -58,8 +56,8 @@ make build
 
 Optionally, one can add the following variables:
 * `VERSION=string`, which adds the variant tag. Set to `latest` by default.
-* `FLAVOR=string`, which selects the flavor (subdirectory of this repository) to build. Set to `jammy` by default.
-* `IMAGE=name`, which will override the default image name. If not specified, this is set to `membraneframeworklabs/docker_membrane`
+* `FLAVOR=string`, which selects the flavor (subdirectory of this repository) to build. Set to `focal` by default.
+* `IMAGE=name`, which will override the default image name. If not specified, this is set to `membrane/membrane`
 
 ## Sample usage
 

focal/Dockerfile

@@ -134,16 +134,6 @@ RUN apt-get update \
  && cd / \
  && rm -rf /tmp/*
 
-# Protoc and elixir-protobuf plugin
-# Installing protoc from a binary release to avoid ancient packages of ubuntu
-RUN wget https://github.com/protocolbuffers/protobuf/releases/download/v24.2/protoc-24.2-linux-x86_64.zip -O protoc.zip \
-  && mkdir -p ~/.local/protoc/ \
-  && unzip protoc.zip -d $HOME/.local/protoc \
-  && rm protoc.zip \
-  && echo "export PATH='$PATH:$HOME/.local/protoc/bin'" >> $HOME/.bashrc \
-  && mix escript.install hex protobuf --force \
-  && asdf reshim
-
 # Dockerize
 RUN wget https://github.com/jwilder/dockerize/releases/download/v0.6.1/dockerize-linux-amd64-v0.6.1.tar.gz \
  && tar -C /usr/local/bin -xzvf dockerize-linux-amd64-v0.6.1.tar.gz \

jammy/Dockerfile

@@ -130,16 +130,6 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
  && pip install git+https://github.com/coderanger/supervisor-stdout \
  && apt-get -y clean
 
-# Protoc and elixir-protobuf plugin
-# Installing protoc from a binary release to avoid ancient packages of ubuntu
-RUN wget https://github.com/protocolbuffers/protobuf/releases/download/v24.2/protoc-24.2-linux-x86_64.zip -O protoc.zip \
-  && mkdir -p ~/.local/protoc/ \
-  && unzip protoc.zip -d $HOME/.local/protoc \
-  && rm protoc.zip \
-  && echo "export PATH='$PATH:$HOME/.local/protoc/bin'" >> $HOME/.bashrc \
-  && mix escript.install hex protobuf --force \
-  && asdf reshim
-
 COPY etc /etc
 COPY /etc/skel/.xinitrc /root/
 COPY usr /usr