build(docker): created Dockerfile (#1)

.dockerignore

@@ -0,0 +1,4 @@
+_build
+.elixir_ls
+data
+deps

Dockerfile

@@ -0,0 +1,15 @@
+FROM elixir:1.14.5
+
+RUN apt update && apt install -y build-essential inotify-tools
+
+RUN mkdir /book_my_gigs
+COPY . /book_my_gigs
+WORKDIR /book_my_gigs
+
+RUN mix local.hex --force && \
+    mix local.rebar --force
+
+CMD mix deps.get && \
+    mix ecto.create && \
+    mix ecto.migrate && \
+    mix phx.server

config/dev.exs

@@ -4,7 +4,7 @@ import Config
 config :book_my_gigs, BookMyGigs.Repo,
   username: "postgres",
   password: "postgres",
-  hostname: "localhost",
+  hostname: "db",
   database: "book_my_gigs_dev",
   stacktrace: true,
   show_sensitive_data_on_connection_error: true,
@@ -19,7 +19,7 @@ config :book_my_gigs, BookMyGigs.Repo,
 config :book_my_gigs, BookMyGigsWeb.Endpoint,
   # Binding to loopback ipv4 address prevents access from other machines.
   # Change to `ip: {0, 0, 0, 0}` to allow access from other machines.
-  http: [ip: {127, 0, 0, 1}, port: 4000],
+  http: [ip: {0, 0, 0, 0}, port: 4000],
   check_origin: false,
   code_reloader: true,
   debug_errors: true,

docker-compose.yml

@@ -1,13 +1,51 @@
-volumes:
-  data:
-
-services:
-  postgres:
+services: 
+  phoenix:
+    build:
+      context: .
+    environment: 
+      PGUSER: postgres
+      PGPASSWORD: postgres
+      PGDATABASE: book_my_gigs_dev
+      PGPORT: 5432
+      PGHOST: db
+    ports:
+      - '4000:4000'
+    depends_on:
+      - db
+    networks:
+      - backend
+    volumes:
+      - phoenix_deps:/book_my_gigs/deps
+      - phoenix_build:/book_my_gigs/_build
+      - ./:/book_my_gigs
+    expose:
+      - 4000
+
+  db: 
     image: postgres:latest
+    hostname: db # facultatif car par défaut il prend le nom du service
     environment:
-      - POSTGRES_USER=postgres
-      - POSTGRES_PASSWORD=postgres
-    ports:
-      - 5432:5432
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: book_my_gigs_dev
+    restart: always
+    # name:/docker_path (but this time docker containes the data file)
+    # ./local_path:/docker_path
     volumes:
-      - data:/var/lib/postgresql
+      - ./data:/var/lib/postrgresql/data
+    networks:
+      - backend
+    ports:
+      - '5432:5432'
+
+# Allows containers to communicate over the same network
+networks:
+  backend:
+    driver: bridge
+
+volumes:
+  phoenix_deps:
+  phoenix_build:
+
+
+

entrypoint.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Docker entrypoint script.
+
+# Wait until Postgres is ready.
+while ! pg_isready -q -h $PGHOST -p $PGPORT -U $PGUSER
+do
+  echo "$(date) - waiting for database to start"
+  sleep 2
+done
+
+# Create, migrate, and seed database if it doesn't exist.
+if [[ -z `psql -Atqc "\\list $PGDATABASE"` ]]; then
+  echo "Database $PGDATABASE does not exist. Creating..."
+  createdb -E UTF8 $PGDATABASE -l en_US.UTF-8 -T template0
+  mix ecto.migrate
+  mix run priv/repo/seeds.exs
+  echo "Database $PGDATABASE created."
+fi
+
+exec mix phx.server