basic docker config for development

.dockerignore

@@ -0,0 +1,17 @@
+_build
+deps
+docs/exdoc
+.hex
+.mix
+.npm
+.git
+.gitignore
+.config
+Dockerfile
+Makefile
+README*
+test
+priv/static
+assets/node_modules
+data/search
+data/postgres

.gitignore

@@ -4,8 +4,12 @@
 # If you run "mix test --cover", coverage assets end up here.
 /cover/
 
-# The directory Mix downloads your dependencies sources to.
+# The directories Mix and npm download your dependencies to.
 /deps/
+/.cache/
+/.hex/
+/.mix/
+/.npm/
 
 # Where 3rd-party dependencies like ExDoc output generated docs.
 /doc/

Dockerfile.dev

@@ -0,0 +1,27 @@
+FROM elixir:1.10.4-alpine
+
+ENV HOME=/opt/app/ TERM=xterm
+
+WORKDIR $HOME
+
+# dev tools
+RUN apk update && \
+    apk add bash curl inotify-tools 
+
+# various dependencies of dependencies
+RUN apk add git \
+    rust cargo \
+    npm \
+    git build-base \  
+    mailcap \
+    ca-certificates openssh-client openssl-dev \
+    tzdata \
+    gettext 
+
+# dependencies for comeonin
+RUN apk add cmake make gcc libc-dev
+
+EXPOSE 4000/tcp
+EXPOSE 4004/tcp
+
+CMD ["sh","-c","mix local.hex --force && mix local.rebar --force && mix deps.get && npm install --prefix assets && mix ecto.create && mix ecto.migrate && iex -S mix phx.server"]

config/dev.exs

@@ -5,7 +5,7 @@ config :vox_publica, VoxPublica.Repo,
   username: "postgres",
   password: "postgres",
   database: "vox_publica_dev",
-  hostname: "localhost",
+  hostname: System.get_env("DATABASE_HOST") || "localhost",
   show_sensitive_data_on_connection_error: true,
   pool_size: 10
 

docker-compose.yml

@@ -0,0 +1,45 @@
+# A Dockerfile for development/testing
+
+version: "3.5"
+
+services:
+  web:
+    build:
+      context: .
+      dockerfile: "Dockerfile.dev"
+    ports:
+      - "4002:4000"
+    # env_file:
+    #   - config/dev/public.env
+    #   - config/dev/secrets.env
+    environment:
+      - DATABASE_HOST=db
+    depends_on:
+      - db
+    #   - search
+    volumes:
+      - type: bind
+        source: .
+        target: /opt/app
+    stdin_open: true # like docker run -i
+    tty: true # like docker run -t
+  db:
+    image: postgis/postgis:12-3.0-alpine
+    volumes:
+      - "./data/postgres/dev:/var/lib/postgresql/data"
+    # ports:
+    #   - "5432:5432"
+    environment:
+      - POSTGRES_PASSWORD=postgres
+    # env_file:
+    #   - config/dev/public.env
+    #   - config/dev/secrets.envs
+#   search:
+#     image: getmeili/meilisearch:latest
+#     ports:
+#       - "7702:7700"
+#     volumes:
+#       - "./data/search/dev:/data.ms"
+#     env_file:
+#       - config/dev/public.env
+#       - config/dev/secrets.env