From 0e60ad1a864c351e9ef1c354552821675c01aad2 Mon Sep 17 00:00:00 2001
From: silentsilas <me@silentsilas.com>
Date: Sat, 31 Aug 2024 13:17:45 -0400
Subject: [PATCH] attempt to get phoenix dockerized

---
 .tool-versions     |  2 ++
 Dockerfile         | 26 ++++++++++++++++++++++
 config/config.exs  |  2 +-
 config/dev.exs     |  3 ++-
 docker-compose.yml | 55 ++++++++++++++++++++--------------------------
 entrypoint.sh      | 19 ++++++++++++++++
 6 files changed, 74 insertions(+), 33 deletions(-)
 create mode 100644 .tool-versions
 create mode 100644 Dockerfile
 create mode 100755 entrypoint.sh

diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000..35e71c4
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1,2 @@
+erlang 27.0.1
+elixir 1.17.2
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..0ee76d6
--- /dev/null
+++ b/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"]
\ No newline at end of file
diff --git a/config/config.exs b/config/config.exs
index 9f7ed6e..2fccd69 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -27,7 +27,7 @@ config :poex, Poex.Repo,
   username: "postgres",
   password: "postgres",
   hostname: "localhost",
-  port: 5560
+  port: 5432
 
 # Configures the mailer
 #
diff --git a/config/dev.exs b/config/dev.exs
index a5526e9..d2b34b7 100644
--- a/config/dev.exs
+++ b/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
diff --git a/docker-compose.yml b/docker-compose.yml
index 27a4862..b3e06b8 100644
--- a/docker-compose.yml
+++ b/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'
-    ports:
-      - '5560:5432'
+    restart: "always"
     environment:
-      ALLOW_IP_RANGE: '0.0.0.0/0'
-      REPLICATION_USER: 'replicator'
-      REPLICATION_PASS: 'replicator'
-      REPLICATION: 'true'
-      POSTGRES_USER: 'postgres'
-      POSTGRES_PASS: 'postgres'
+      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:
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100755
index 0000000..febe881
--- /dev/null
+++ b/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
\ No newline at end of file