Adding Alpine Based Images and Restructuring the repo

README.md

@@ -8,27 +8,27 @@ These Dockerfiles are used to build docker images we use for various
 
 1. Clone this repo
 2. Edit the Dockerfile you want to update
-3. Keep the primary version number of the image in sync with the Elixir version.
+3. Keep the primary version number of the image in sync with the Elixir version and its base erlang/otp version.
    So tag '1.6.2' should be Elixir version 1.6.2. Any changes to the Dockerfile
-   that are not Elixir version related should increase the letter version.
+   that are not Elixir version or base image version related should increase the letter version.
 4. Build and push an image with a version tag
 
 Calling `push.sh` with no argument will use the directory name as the tag. For
 example, the following command will push an `erlang` image with the tags
-`20.2.4` and `latest` to Dockerhub:
+`22.1.3-alpine` and `alpine-latest` to Dockerhub:
 
 ```
-cd erlang/20.2.4
-../../push.sh
+cd erlang/22.1.3/alpine
+../../../push.sh
 ```
 
 If an argument is passed to `push.sh`, it will be used as a suffix appended with
 a `-` to the current directory name. For example, the following command will
-push an `elixir` image with the tags `1.6.2-b` and `latest` to Dockerhub:
+push an `elixir` image with the tags `1.9.2-alpine-otp22` and `alpine-latest` to Dockerhub:
 
 ```
-cd elixir/1.6.2
-../../push.sh b
+cd elixir/1.9.2/alpine
+../../../push.sh otp22
 ```
 
 #### Notes
@@ -38,6 +38,42 @@ cd elixir/1.6.2
    namespace.
 2. Test out your changes on a tag before committing and pushing to latest.
 
+## Multistage Docker Build for Production
+
+Lower final image size by using multistage docker build and avvo/alpine image.
+
+```Dockerfile
+FROM avvo/elixir:1.9.4-otp22-alpine-3.9 AS build
+
+ENV MIX_ENV=prod
+
+COPY . .
+
+# If you have assets to build
+RUN cd assets \
+  && npm install \
+  && npm run deploy \
+  && cd ../
+
+RUN mix phx.digest
+
+RUN mix do deps.get, compile, release
+
+FROM avvo/elixir-release:alpine-3.9
+
+EXPOSE 4000
+
+WORKDIR /srv/app_name
+
+COPY --from=build ./_build/prod/app_name-APP_VERSION.tar.gz .
+
+RUN tar zxf app_name-APP_VERSION.tar.gz \
+    && rm app_name-APP_VERSION.tar.gz
+
+ENTRYPOINT ["avvoenv", "exec"]
+CMD ["bin/app_name", "start"]
+```
+
 ## License
 
 MIT Licence. Do what you want, this is just configuration, nothing special.

elixir-release/alpine/3.9/Dockerfile

@@ -0,0 +1,7 @@
+FROM avvo/alpine:3.9
+
+RUN set -xe \
+  && apk --no-cache upgrade \
+  && apk add --no-cache \
+    ncurses-libs \
+    openssl

elixir/1.10.2/alpine/Dockerfile

@@ -0,0 +1,34 @@
+FROM avvo/erlang:22-alpine-11
+
+# Adapted from:
+#   https://github.com/c0b/docker-elixir/blob/master/1.9/Dockerfile
+
+# elixir expects utf8.
+ENV ELIXIR_VERSION="v1.10.2" \
+	LANG=C.UTF-8
+
+RUN set -xe \
+	&& ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/${ELIXIR_VERSION}.tar.gz" \
+	&& ELIXIR_DOWNLOAD_SHA256="5adffcf4389aa82fcfbc84324ebbfa095fc657a0e15b2b055fc05184f96b2d50" \
+	&& buildDeps=' \
+		ca-certificates \
+		curl \
+		make \
+	' \
+	&& apk --no-cache upgrade \
+	&& apk add --no-cache --virtual .build-deps $buildDeps \
+	&& curl -fSL -o elixir-src.tar.gz $ELIXIR_DOWNLOAD_URL \
+	&& echo "$ELIXIR_DOWNLOAD_SHA256  elixir-src.tar.gz" | sha256sum -c - \
+	&& mkdir -p /usr/local/src/elixir \
+	&& tar -xzC /usr/local/src/elixir --strip-components=1 -f elixir-src.tar.gz \
+	&& rm elixir-src.tar.gz \
+	&& cd /usr/local/src/elixir \
+	&& make install clean \
+  && apk del .build-deps \
+  && mix local.hex --force \
+  && mix local.rebar --force \
+  && mkdir -p '/root/.ssh' \
+  && apk add --no-cache openssh-client build-base npm git \
+  && ssh-keyscan -t rsa github.com > '/root/.ssh/known_hosts' \
+  && chmod 700 '/root/.ssh' \
+  && chmod 600 '/root/.ssh/known_hosts'

elixir/1.10.4/alpine/Dockerfile

@@ -0,0 +1,34 @@
+FROM avvo/erlang:23.0.2-alpine
+
+# Adapted from:
+#   https://github.com/c0b/docker-elixir/blob/master/1.10/alpine/Dockerfile
+
+# elixir expects utf8.
+ENV ELIXIR_VERSION="v1.10.4" \
+	LANG=C.UTF-8
+
+RUN set -xe \
+	&& ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/${ELIXIR_VERSION}.tar.gz" \
+	&& ELIXIR_DOWNLOAD_SHA256="8518c78f43fe36315dbe0d623823c2c1b7a025c114f3f4adbb48e04ef63f1d9f" \
+	&& buildDeps=' \
+		ca-certificates \
+		curl \
+		make \
+	' \
+	&& apk --no-cache upgrade \
+	&& apk add --no-cache --virtual .build-deps $buildDeps \
+	&& curl -fSL -o elixir-src.tar.gz $ELIXIR_DOWNLOAD_URL \
+	&& echo "$ELIXIR_DOWNLOAD_SHA256  elixir-src.tar.gz" | sha256sum -c - \
+	&& mkdir -p /usr/local/src/elixir \
+	&& tar -xzC /usr/local/src/elixir --strip-components=1 -f elixir-src.tar.gz \
+	&& rm elixir-src.tar.gz \
+	&& cd /usr/local/src/elixir \
+	&& make install clean \
+  && apk del .build-deps \
+  && mix local.hex --force \
+  && mix local.rebar --force \
+  && mkdir -p '/root/.ssh' \
+  && apk add --no-cache openssh-client build-base npm git \
+  && ssh-keyscan -t rsa github.com > '/root/.ssh/known_hosts' \
+  && chmod 700 '/root/.ssh' \
+  && chmod 600 '/root/.ssh/known_hosts'

elixir/1.9.2/alpine/Dockerfile

@@ -0,0 +1,36 @@
+FROM avvo/erlang:22-alpine
+
+# Adapted from:
+#   https://github.com/c0b/docker-elixir/blob/master/1.9/Dockerfile
+
+# elixir expects utf8.
+ENV ELIXIR_VERSION="v1.9.2" \
+	LANG=C.UTF-8 \
+  MIX_ENV='test'
+
+RUN set -xe \
+  && STARTING_DIR="$(pwd)" \
+	&& ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/${ELIXIR_VERSION}.tar.gz" \
+	&& ELIXIR_DOWNLOAD_SHA256="02aaa3ffd21f9cf51aceb3aa5a5bc2c1e2636b1611867e44f19693dcf856e25c" \
+	&& buildDeps=' \
+		ca-certificates \
+		curl \
+		make \
+	' \
+	&& apk --no-cache upgrade \
+	&& apk add --no-cache --virtual .build-deps $buildDeps \
+	&& curl -fSL -o elixir-src.tar.gz $ELIXIR_DOWNLOAD_URL \
+	&& echo "$ELIXIR_DOWNLOAD_SHA256  elixir-src.tar.gz" | sha256sum -c - \
+	&& mkdir -p /usr/local/src/elixir \
+	&& tar -xzC /usr/local/src/elixir --strip-components=1 -f elixir-src.tar.gz \
+	&& rm elixir-src.tar.gz \
+	&& cd /usr/local/src/elixir \
+	&& make install clean \
+  && apk del .build-deps \
+  && mix local.hex --force \
+  && mix local.rebar --force \
+  && mkdir -p '/root/.ssh' \
+  && apk add --no-cache openssh-client build-base npm git \
+  && ssh-keyscan -t rsa github.com > '/root/.ssh/known_hosts' \
+  && chmod 700 '/root/.ssh' \
+  && chmod 600 '/root/.ssh/known_hosts'

elixir/1.9.4/alpine/Dockerfile

@@ -0,0 +1,36 @@
+FROM avvo/erlang:22-alpine
+
+# Adapted from:
+#   https://github.com/c0b/docker-elixir/blob/master/1.9/Dockerfile
+
+# elixir expects utf8.
+ENV ELIXIR_VERSION="v1.9.4" \
+	LANG=C.UTF-8 \
+  MIX_ENV='test'
+
+RUN set -xe \
+  && STARTING_DIR="$(pwd)" \
+	&& ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/${ELIXIR_VERSION}.tar.gz" \
+	&& ELIXIR_DOWNLOAD_SHA256="f3465d8a8e386f3e74831bf9594ee39e6dfde6aa430fe9260844cfe46aa10139" \
+	&& buildDeps=' \
+		ca-certificates \
+		curl \
+		make \
+	' \
+	&& apk --no-cache upgrade \
+	&& apk add --no-cache --virtual .build-deps $buildDeps \
+	&& curl -fSL -o elixir-src.tar.gz $ELIXIR_DOWNLOAD_URL \
+	&& echo "$ELIXIR_DOWNLOAD_SHA256  elixir-src.tar.gz" | sha256sum -c - \
+	&& mkdir -p /usr/local/src/elixir \
+	&& tar -xzC /usr/local/src/elixir --strip-components=1 -f elixir-src.tar.gz \
+	&& rm elixir-src.tar.gz \
+	&& cd /usr/local/src/elixir \
+	&& make install clean \
+  && apk del .build-deps \
+  && mix local.hex --force \
+  && mix local.rebar --force \
+  && mkdir -p '/root/.ssh' \
+  && apk add --no-cache openssh-client build-base npm git \
+  && ssh-keyscan -t rsa github.com > '/root/.ssh/known_hosts' \
+  && chmod 700 '/root/.ssh' \
+  && chmod 600 '/root/.ssh/known_hosts'