attempt to get phoenix dockerized

.tool-versions

@@ -0,0 +1,2 @@
+erlang 27.0.1
+elixir 1.17.2

Dockerfile

@@ -0,0 +1,26 @@
+# Use an official Elixir runtime as a parent image.
+FROM elixir:latest
+
+RUN apt-get update && \
+  apt-get install -y postgresql-client inotify-tools nodejs npm
+
+# Create app directory and copy the Elixir projects into it.
+RUN mkdir /app
+COPY . /app
+WORKDIR /app
+
+# Install Hex package manager.
+RUN mix local.hex --force
+
+# Compile the project.
+RUN mix deps.get
+
+WORKDIR /app/assets
+RUN npm install --verbose
+
+WORKDIR /app
+RUN mix assets.setup
+RUN mix assets.build
+RUN mix do compile
+
+CMD ["/app/entrypoint.sh"]

config/config.exs

@@ -27,7 +27,7 @@ config :poex, Poex.Repo,
   username: "postgres",
   password: "postgres",
   hostname: "localhost",
-  port: 5560
+  port: 5432
 
 # Configures the mailer
 #

config/dev.exs

@@ -4,8 +4,9 @@ import Config
 config :poex, Poex.Repo,
   username: "postgres",
   password: "postgres",
-  hostname: "localhost",
+  hostname: System.get_env("PGHOST") || "localhost",
   database: "poex_dev",
+  port: System.get_env("PGPORT") |> String.to_integer() || 5432,
   stacktrace: true,
   show_sensitive_data_on_connection_error: true,
   pool_size: 10

docker-compose.yml

@@ -1,43 +1,36 @@
-version: '3.9'
+version: "3.9"
 
 services:
+  phoenix:
+    # The build parameters for this container.
+    build:
+      # Here we define that it should build from the current directory.
+      context: .
+    environment:
+      # Variables to connect to our Postgres server.
+      PGUSER: postgres
+      PGPASSWORD: postgres
+      PGDATABASE: poex_dev
+      PGPORT: 5432
+      # Hostname of our Postgres container.
+      PGHOST: pg-master
+    ports:
+      # Mapping the port to make the Phoenix app accessible outside of the container.
+      - "4000:4000"
+    depends_on:
+      # The DB container needs to be started before we start this container.
+      - pg-master
+
   pg-master:
     image: kartoza/postgis:16-3.4
-    restart: 'always'
+    restart: "always"
-    ports:
-      - '5560:5432'
     environment:
-      ALLOW_IP_RANGE: '0.0.0.0/0'
+      POSTGRES_USER: "postgres"
-      REPLICATION_USER: 'replicator'
+      POSTGRES_PASS: "postgres"
-      REPLICATION_PASS: 'replicator'
-      REPLICATION: 'true'
-      POSTGRES_USER: 'postgres'
-      POSTGRES_PASS: 'postgres'
       POSTGRES_MULTIPLE_EXTENSIONS: postgis
     volumes:
       - pg-master:/var/lib/postgresql
     healthcheck:
       test: "exit 0"
-  pg-replica1:
-    image: kartoza/postgis:16-3.4
-    restart: 'always'
-    ports:
-      - '5561:5432'
-    environment:
-      ALLOW_IP_RANGE: '0.0.0.0/0'
-      REPLICATION_USER: 'replicator'
-      REPLICATION_PASS: 'replicator'
-      REPLICATION: 'true'
-      POSTGRES_USER: 'postgres'
-      POSTGRES_PASS: 'postgres'
-      POSTGRES_MULTIPLE_EXTENSIONS: postgis
-      REPLICATE_FROM: pg-master
-      DESTROY_DATABASE_ON_RESTART: 'True'
-    volumes:
-      - pg-replica1:/var/lib/postgresql
-    depends_on:
-      pg-master:
-        condition: service_healthy
 volumes:
   pg-master:
-  pg-replica1:

entrypoint.sh

@@ -0,0 +1,19 @@
+#!/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 setup
+  echo "Database $PGDATABASE created."
+fi
+
+exec mix phx.server