Containerize proxy (#51)

* Added dockerfile with all files and build pipeline
* Trigger base image build on tool version change

The release image from dockerfile should be builded when correct config files are present.

.github/workflows/build_base_image.yml

@@ -0,0 +1,52 @@
+name: build and push image
+
+on:
+  push:
+    paths:
+    - .tool-versions
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-20.04
+
+    steps:
+
+    - uses: actions/checkout@v2
+
+    - name: Get versions
+      shell: python
+      run: |
+        import os
+        versions = {}
+        try:
+            with open(".tool-versions", "r") as f:
+                for line in f:
+                    (key, val) = line.split()
+                    versions[key] = val
+        except:
+            print("Something is off with getting the versions")
+        tag = "internetee/erlang-ruby:" + versions["erlang"] + "-" + versions["ruby"]
+        try:
+            f = open("TAG", "x")
+            f.write(tag)
+        except:
+            print("Something is not right with setting the tag")
+        finally:
+          f.close()
+      
+    - name: Set image tag"
+      run: |
+        echo "TAG=`cat TAG`" >> $GITHUB_ENV
+
+    - name: Build image
+      run: |
+        docker build -t $TAG -f Dockerfile.Erlang-ruby.base .
+
+    - name: Push image to Docker hub
+      env:
+        D_HUB_PASS: ${{ secrets.D_HUB_PASS}}
+      run: |
+        echo $D_HUB_PASS | docker login -u eiskra --password-stdin
+        docker push $TAG

Dockerfile.Erlang-ruby.base

@@ -0,0 +1,42 @@
+FROM debian:buster-slim
+
+RUN apt-get update && apt-get install -y \
+  wget \
+  git \
+  build-essential=* \
+  libncurses5-dev=* \
+  automake=* \
+  autoconf=* \
+  curl=* \
+  ca-certificates=* \
+  libssl-dev=* \
+  libreadline-dev=* \
+  libdpkg-perl=* \
+  liberror-perl=* \
+  libc6=* \
+  libc-dev \
+  perl=* \
+  procps=* \
+  inotify-tools=* \
+  libssl1.1=* \
+  perl-base=* \
+  zlib1g-dev \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN git clone https://github.com/asdf-vm/asdf.git "$HOME"/.asdf && \
+    echo '. $HOME/.asdf/asdf.sh' >> "$HOME"/.bashrc && \
+        echo '. $HOME/.asdf/asdf.sh' >> "$HOME"/.profile
+
+ENV PATH="${PATH}:/root/.asdf/shims:/root/.asdf/bin"
+
+RUN mkdir -p /opt/erlang/epp_proxy/release
+WORKDIR /opt/erlang/epp_proxy
+
+COPY .tool-versions ./
+RUN asdf plugin-add erlang
+RUN asdf install
+RUN asdf global erlang $(grep erlang .tool-versions | cut -d' ' -f2)
+RUN asdf plugin-add ruby
+RUN asdf plugin-add rebar
+RUN asdf install

Dockerfile.release

@@ -0,0 +1,13 @@
+FROM internetee/erlang-ruby:21.3.8-2.6.3 AS build
+COPY . ./scr/
+
+WORKDIR /opt/erlang/epp_proxy/scr
+
+RUN rebar3 as prod release
+
+FROM internetee/erlang-ruby:21.3.8-2.6.3
+LABEL org.opencontainers.image.source=https://github.com/internetee/epp_proxy
+
+
+COPY --from=build /opt/erlang/epp_proxy/scr/_build/prod/rel/epp_proxy ./release
+RUN ln -s /opt/erlang/epp_proxy/release/bin/epp_proxy ./epp_proxy