add deploy to heroku

Dockerfile

@@ -0,0 +1,73 @@
+# https://cloud.google.com/community/tutorials/elixir-phoenix-on-kubernetes-google-container-engine
+# Build time container
+ARG ALPINE_VERSION=3.15
+
+FROM elixir:1.13.3-alpine AS builder
+
+ARG app_name=farside
+ARG subdir=.
+ARG build_env=prod
+ARG SOURCE_VERSION
+ARG COMMIT=${SOURCE_VERSION}
+ARG MIX_ENV=prod
+
+ENV APP_NAME=${app_name} \
+    MIX_ENV=${MIX_ENV} \
+    COMMIT=${COMMIT}
+
+ENV REPLACE_OS_VARS=true
+ENV MIX_ENV=${build_env} TERM=xterm
+
+RUN set -ex && \
+    apk update && \
+    apk upgrade --no-cache && \
+    apk add --no-cache \
+    git \
+    curl \
+    nodejs \
+    npm \
+    python3 \
+    build-base && \
+    mix local.rebar --force && \
+    mix local.hex --force && \
+    mkdir -p /opt/built
+
+RUN mkdir /app
+COPY . /app
+WORKDIR /app
+
+RUN mix do deps.get, compile
+RUN cd ${subdir}/assets \
+  && npm install \
+  && npm run deploy \
+  && cd .. \
+RUN mix release ${app_name} \
+  && mv _build/${build_env}/rel/${app_name} /opt/release \
+  && mv /opt/release/bin/${app_name} /opt/release/bin/server
+
+# Runtime container
+FROM alpine:${ALPINE_VERSION}est
+
+RUN set -ex && \
+    apk update && \
+    apk add --no-cache \
+    bash \
+    curl \
+    gcc \
+    nodejs-current \
+    libstdc++ \
+    openssl-dev && \
+    curl https://raw.githubusercontent.com/eficode/wait-for/f71f8199a0dd95953752fb5d3f76f79ced16d47d/wait-for -o /usr/local/bin/wait-for && \
+    chmod +x /usr/local/bin/wait-for
+
+# For local dev, heroku will ignore this
+EXPOSE $PORT
+
+WORKDIR /opt/app
+COPY --from=0 /opt/release .
+RUN addgroup -S elixir && adduser -H -D -S -G elixir elixir
+RUN chown -R elixir:elixir /opt/app
+USER elixir
+
+# Heroku sets magical $PORT variable
+CMD PORT=$PORT

README.md

@@ -3,6 +3,7 @@
 [![Latest Release](https://img.shields.io/github/v/release/benbusby/farside?label=Release)](https://github.com/benbusby/farside/releases)
 [![MIT License](https://img.shields.io/github/license/benbusby/earthbound-themes.svg)](http://opensource.org/licenses/MIT)
 [![Elixir CI](https://github.com/benbusby/privacy-revolver/actions/workflows/elixir.yml/badge.svg)](https://github.com/benbusby/privacy-revolver/actions/workflows/elixir.yml)
+[![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy)
 
 A redirecting service for FOSS alternative frontends.
 

app.json

@@ -0,0 +1,13 @@
+{
+  "name": "Farside",
+  "description": "A redirecting service for FOSS alternative frontends",
+  "repository": "https://github.com/data-twister/farside",
+  "logo": "",
+  "keywords": ["elixir", "farside" ],
+  "addons": [ "heroku-postgresql"],
+  "buildpacks": [
+    {
+      "url": "https://github.com/HashNuke/heroku-buildpack-elixir.git"
+    }
+  ]
+}

elixir_buildpack.config

@@ -0,0 +1,4 @@
+
+elixir_version=1.12.3
+erlang_version=24.2.1
+clean_cache=true