Dockerize and add ci

.semaphore/semaphore.yml

@@ -0,0 +1,53 @@
+version: v1.0
+name: Chartmart
+agent:
+  machine:
+    type: e1-standard-2
+    os_image: ubuntu1804
+blocks:
+- name: test
+  dependencies: []
+  task:
+    secrets:
+    - name: gcp-test
+    jobs:
+    - name: Test
+      commands:
+      - checkout
+      - echo $GOOGLE_APPLICATION_CREDENTIALS > key.json
+      - export GOOGLE_APPLICATION_CREDENTIALS="$(pwd)/key.json"
+      - sem-version elixir 1.9.0
+      - make testup
+      - mix local.hex --force
+      - mix local.rebar --force
+
+      - cache restore mix-deps-$SEMAPHORE_GIT_BRANCH-$(checksum mix.lock),mix-deps-$SEMAPHORE_GIT_BRANCH,mix-deps-master
+      - cache restore mix-build-1-$SEMAPHORE_GIT_BRANCH-$(checksum mix.lock),mix-build-1-$SEMAPHORE_GIT_BRANCH,mix-build-1-master
+
+      - mix deps.get
+      - mix test
+
+      - cache store mix-deps-$SEMAPHORE_GIT_BRANCH-$(checksum mix.lock) deps
+      - cache store mix-build-$SEMAPHORE_GIT_BRANCH-$(checksum mix.lock) _build
+      - cache store mix-deps-$SEMAPHORE_GIT_BRANCH deps
+      - cache store mix-build-$SEMAPHORE_GIT_BRANCH _build
+- name: build
+  dependencies: ['test']
+  skip:
+    when: "branch != 'master'"
+  task:
+    secrets:
+    - name: GCP
+    - name: gcp-test
+    prologue:
+      commands:
+      # Authenticate using the file injected from the secret
+      - gcloud auth activate-service-account --key-file=.secrets/gcp.json
+      # Don't forget -q to silence confirmation prompts
+      - gcloud auth configure-docker -q
+      - checkout
+    jobs:
+    - name: "Build chartmart"
+      commands:
+      - make build APP_NAME=chartmart
+      - make push APP_NAME=chartmart

Dockerfile

@@ -0,0 +1,82 @@
+# The version of Alpine to use for the final image
+# This should match the version of Alpine that the `elixir:1.7.2-alpine` image uses
+ARG ALPINE_VERSION=3.8
+
+FROM elixir:1.9-alpine AS builder
+
+# The following are build arguments used to change variable parts of the image.
+# The name of your application/release (required)
+ARG APP_NAME
+# The version of the application we are building (required)
+ARG APP_VSN
+# The environment to build with
+ARG MIX_ENV=prod
+# Set this to true if this release is not a Phoenix app
+ARG SKIP_PHOENIX=true
+# If you are using an umbrella project, you can change this
+# argument to the directory the Phoenix app is in so that the assets
+# can be built
+ARG PHOENIX_SUBDIR=.
+
+ENV SKIP_PHOENIX=${SKIP_PHOENIX} \
+    APP_NAME=${APP_NAME} \
+    APP_VSN=${APP_VSN} \
+    MIX_ENV=${MIX_ENV}
+
+# By convention, /opt is typically used for applications
+WORKDIR /opt/app
+
+# This step installs all the build tools we'll need
+RUN apk update && \
+  apk upgrade --no-cache && \
+  apk add --no-cache \
+    nodejs \
+    yarn \
+    git \
+    build-base && \
+  mix local.rebar --force && \
+  mix local.hex --force
+
+# This copies our app source code into the build container
+COPY . .
+
+RUN mix do deps.get, compile
+
+# This step builds assets for the Phoenix app (if there is one)
+# If you aren't building a Phoenix app, pass `--build-arg SKIP_PHOENIX=true`
+# This is mostly here for demonstration purposes
+RUN if [ ! "$SKIP_PHOENIX" = "true" ]; then \
+  cd ${PHOENIX_SUBDIR}/assets && \
+  yarn install && \
+  yarn deploy && \
+  cd - && \
+  mix phx.digest; \
+fi
+
+RUN \
+  mkdir -p /opt/built && \
+  mix distillery.release --name ${APP_NAME} && \
+  cp _build/${MIX_ENV}/rel/${APP_NAME}/releases/${APP_VSN}/${APP_NAME}.tar.gz /opt/built && \
+  cd /opt/built && \
+  tar -xzf ${APP_NAME}.tar.gz && \
+  rm ${APP_NAME}.tar.gz
+
+# From this line onwards, we're in a new image, which will be the image used in production
+FROM erlang:22-alpine
+
+# The name of your application/release (required)
+ARG APP_NAME
+
+RUN apk update && \
+    apk add --no-cache \
+      bash \
+      openssl-dev ca-certificates
+
+ENV REPLACE_OS_VARS=true \
+    APP_NAME=${APP_NAME}
+
+WORKDIR /opt/app
+
+COPY --from=builder /opt/built .
+
+CMD trap 'exit' INT; /opt/app/bin/${APP_NAME} foreground

Makefile

@@ -0,0 +1,28 @@
+.PHONY: help
+
+GCP_PROJECT ?= piazza-247002
+APP_NAME ?= chartmart
+APP_VSN ?= `cat VERSION`
+BUILD ?= `git rev-parse --short HEAD`
+
+help:
+	@perl -nle'print $& if m{^[a-zA-Z_-]+:.*?## .*$$}' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+build: ## Build the Docker image
+ifeq ($(APP_NAME), www)
+	cd www && docker build -t $(APP_NAME):`cat ../VERSION` \
+							-t $(APP_NAME):latest \
+							-t gcr.io/$(GCP_PROJECT)/$(APP_NAME):`cat ../VERSION` .
+else
+	docker build --build-arg APP_NAME=$(APP_NAME) \
+		--build-arg APP_VSN=$(APP_VSN) \
+		-t $(APP_NAME):$(APP_VSN) \
+		-t $(APP_NAME):latest \
+		-t gcr.io/$(GCP_PROJECT)/$(APP_NAME):$(APP_VSN) .
+endif
+
+push: ## push to gcr
+	docker push gcr.io/$(GCP_PROJECT)/$(APP_NAME):$(APP_VSN)
+
+testup: ## sets up dependent services for test
+	docker-compose up -d

VERSION

@@ -0,0 +1 @@
+0.1.0

mix.exs

@@ -1,21 +1,20 @@
 defmodule Chartmart.MixProject do
   use Mix.Project
 
+  @vsn File.read!("VERSION")
+
   def project do
     [
       apps_path: "apps",
-      version: "0.1.0",
+      version: @vsn,
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]
   end
 
-  # Dependencies listed here are available only for this
-  # project and cannot be accessed from applications inside
-  # the apps folder.
-  #
-  # Run "mix help deps" for examples and options.
   defp deps do
-    []
+    [
+      {:distillery, "~> 2.1"}
+    ]
   end
 end

mix.lock

@@ -1,5 +1,6 @@
 %{
   "argon2_elixir": {:hex, :argon2_elixir, "2.0.5", "0073a87d755c7e63fc4f9d08b1d1646585b93f144cecde126e15061b24240b20", [:make, :mix], [{:comeonin, "~> 5.1", [hex: :comeonin, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.5", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm"},
+  "artificery": {:hex, :artificery, "0.4.2", "3ded6e29e13113af52811c72f414d1e88f711410cac1b619ab3a2666bbd7efd4", [:mix], [], "hexpm"},
   "base64url": {:hex, :base64url, "0.0.1", "36a90125f5948e3afd7be97662a1504b934dd5dac78451ca6e9abf85a10286be", [:rebar], [], "hexpm"},
   "certifi": {:hex, :certifi, "2.5.1", "867ce347f7c7d78563450a18a6a28a8090331e77fa02380b4a21962a65d36ee5", [:rebar3], [{:parse_trans, "~>3.3", [hex: :parse_trans, repo: "hexpm", optional: false]}], "hexpm"},
   "comeonin": {:hex, :comeonin, "5.1.2", "fbbbbbfcf0f0e9900c0336d16c8d462edf838ba1759577e29cc5fbd7c28a4540", [:mix], [], "hexpm"},
@@ -8,6 +9,7 @@
   "cowlib": {:hex, :cowlib, "2.7.3", "a7ffcd0917e6d50b4d5fb28e9e2085a0ceb3c97dea310505f7460ff5ed764ce9", [:rebar3], [], "hexpm"},
   "db_connection": {:hex, :db_connection, "2.1.1", "a51e8a2ee54ef2ae6ec41a668c85787ed40cb8944928c191280fe34c15b76ae5", [:mix], [{:connection, "~> 1.0.2", [hex: :connection, repo: "hexpm", optional: false]}], "hexpm"},
   "decimal": {:hex, :decimal, "1.8.0", "ca462e0d885f09a1c5a342dbd7c1dcf27ea63548c65a65e67334f4b61803822e", [:mix], [], "hexpm"},
+  "distillery": {:hex, :distillery, "2.1.1", "f9332afc2eec8a1a2b86f22429e068ef35f84a93ea1718265e740d90dd367814", [:mix], [{:artificery, "~> 0.2", [hex: :artificery, repo: "hexpm", optional: false]}], "hexpm"},
   "ecto": {:hex, :ecto, "3.1.7", "fa21d06ef56cdc2fdaa62574e8c3ba34a2751d44ea34c30bc65f0728421043e5", [:mix], [{:decimal, "~> 1.6", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
   "ecto_enum": {:hex, :ecto_enum, "1.3.2", "659f7251b6a201a236db9dceef0f713319f095a23ad1d8718efd7a3d3ef3e21b", [:mix], [{:ecto, ">= 2.0.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:mariaex, ">= 0.0.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:postgrex, ">= 0.0.0", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm"},
   "ecto_sql": {:hex, :ecto_sql, "3.1.6", "1e80e30d16138a729c717f73dcb938590bcdb3a4502f3012414d0cbb261045d8", [:mix], [{:db_connection, "~> 2.0", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.1.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:mariaex, "~> 0.9.1", [hex: :mariaex, repo: "hexpm", optional: true]}, {:myxql, "~> 0.2.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.14.0 or ~> 0.15.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm"},

rel/commands/drop.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+release_ctl eval --mfa "Piazza.Ecto.ReleaseTasks.drop/1" --argv -- "$@"

rel/commands/migrate.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+release_ctl eval --mfa "Piazza.Ecto.ReleaseTasks.seed/1" --argv -- "$@"

rel/config.exs

@@ -0,0 +1,47 @@
+~w(rel plugins *.exs)
+|> Path.join()
+|> Path.wildcard()
+|> Enum.map(&Code.eval_file(&1))
+
+version = File.read!("VERSION")
+
+use Distillery.Releases.Config,
+    # This sets the default release built by `mix distillery.release`
+    default_release: :default,
+    # This sets the default environment used by `mix distillery.release`
+    default_environment: Mix.env()
+
+environment :dev do
+  set dev_mode: true
+  set include_erts: false
+  set cookie: :"[0u(BUb%Eh955Mg5V>:Mgxqa8NY`de)3ikLXo:iM]pU6HUy9NC}C4T(5A=|Xau8/"
+end
+
+environment :prod do
+  set include_erts: true
+  set include_src: false
+  set cookie: :"apMPW^f~jR;8CVeiv`d4(6y]Rv`v_Z;ghL:~3&j!1QM)YRG5_TTpz2q2nGu)9>}l"
+  set vm_args: "rel/vm.args"
+  set config_providers: [
+    {Distillery.Releases.Config.Providers.Elixir, ["${RELEASE_ROOT_DIR}/etc/config.exs"]},
+    {Distillery.Releases.Config.Providers.Elixir, ["${RELEASE_ROOT_DIR}/etc/app.exs"]}
+  ]
+  set overlays: [
+    {:copy, "rel/config/config.exs", "etc/config.exs"},
+    {:copy, "rel/config/<%= release_name %>.exs", "etc/app.exs"}
+  ]
+end
+
+release :chartmart do
+  set version: version
+  set applications: [
+    :runtime_tools,
+    api: :permanent,
+    core: :permanent
+  ]
+  set commands: [
+    migrate: "rel/commands/migrate.sh",
+    drop: "rel/commands/drop.sh"
+  ]
+end
+

rel/config/chartmart.exs

@@ -0,0 +1,2 @@
+import Config
+import System, only: [get_env: 1]

rel/config/config.exs

@@ -0,0 +1,2 @@
+import Config
+import System, only: [get_env: 1]

rel/plugins/.gitignore

@@ -0,0 +1,3 @@
+*.*
+!*.exs
+!.gitignore

rel/vm.args

@@ -0,0 +1,30 @@
+## This file provide the arguments provided to the VM at startup
+## You can find a full list of flags and their behaviours at
+## http://erlang.org/doc/man/erl.html
+
+## Name of the node
+-name <%= release_name %>@${POD_IP}
+
+## Cookie for distributed erlang
+-setcookie ${ERLANG_COOKIE}
+
+## Heartbeat management; auto-restarts VM if it dies or becomes unresponsive
+## (Disabled by default..use with caution!)
+##-heart
+
+## Enable kernel poll and a few async threads
+##+K true
+##+A 5
+## For OTP21+, the +A flag is not used anymore,
+## +SDio replace it to use dirty schedulers
+##+SDio 5
+
+## Increase number of concurrent ports/sockets
+##-env ERL_MAX_PORTS 4096
+
+## Tweak GC to run more often
+##-env ERL_FULLSWEEP_AFTER 10
+
+# Enable SMP automatically based on availability
+# On OTP21+, this is not needed anymore.
+-smp auto