Update the generated Docker setup to pull in the version of Crystal y…

…ou use, and allow for binding to 0.0.0.0 separately from local running apps. Fixes #786 Fixes #792 Fixes #789 Fixes #781 (#793)

src/web_app_skeleton/README.md.ecr

@@ -9,6 +9,15 @@ This is a project written using [Lucky](https://luckyframework.org). Enjoy!
 1. Run `script/setup`
 1. Run `lucky dev` to start the app
 
+### Using Docker for development
+
+1. [Install Docker](https://docs.docker.com/engine/install/)
+1. Run `docker compose up`
+
+The Docker container will boot all of the necessary components needed to run your Lucky application.
+To configure the container, update the `docker-compose.yml` file, and the `docker/development.dockerfile` file.
+
+
 ### Learning Lucky
 
 Lucky uses the [Crystal](https://crystal-lang.org) programming language. You can learn about Lucky from the [Lucky Guides](https://luckyframework.org/guides/getting-started/why-lucky).

src/web_app_skeleton/docker-compose.yml

@@ -6,6 +6,7 @@ services:
       dockerfile: docker/development.dockerfile
     environment:
       DATABASE_URL: postgres://lucky:password@postgres:5432/lucky
+      DEV_HOST: "0.0.0.0"
     volumes:
       - type: bind
         source: .
@@ -19,7 +20,8 @@ services:
     depends_on:
       - postgres
     ports:
-      - 5001:5001
+      - 3000:3000 # This is the Lucky Server port
+      - 3001:3001 # This is the Lucky watcher reload port
 
     entrypoint: ["docker/dev_entrypoint.sh"]
 

src/web_app_skeleton/docker/dev_entrypoint.sh → src/web_app_skeleton/docker/dev_entrypoint.sh.ecr

@@ -2,9 +2,9 @@
 
 set -euo pipefail
 
-# This is the entrypoint script used for development docker workflows. By
-# default it will:
-#  - Install shards.
+# This is the entrypoint script used for development docker workflows.
+# By default it will:
+#  - Install dependencies.
 #  - Run migrations.
 #  - Start the dev server.
 # It also accepts any commands to be run instead.
@@ -27,10 +27,10 @@ if ! [ -d bin ] ; then
   echo "Creating bin directory"
   mkdir bin
 fi
-
+<%- if browser? -%>
 echo "Installing npm packages..."
 yarn install
-
+<%- end -%>
 if ! shards check ; then
   echo "Installing shards..."
   shards install
@@ -44,10 +44,5 @@ if ! psql -d "$DATABASE_URL" -c '\d migrations' > /dev/null ; then
   lucky db.migrate
 fi
 
-if [ -S .overmind.sock ] ; then
-  echo "Removing old overmind socket file..."
-  rm .overmind.sock
-fi
-
 echo "Starting lucky dev server..."
 exec lucky dev

src/web_app_skeleton/docker/development.dockerfile → src/web_app_skeleton/docker/development.dockerfile.ecr

@@ -1,9 +1,9 @@
-FROM crystallang/crystal:1.4.1
+FROM crystallang/crystal:<%= Crystal::VERSION %>
 
 # Install utilities required to make this Dockerfile run
 RUN apt-get update && \
     apt-get install -y wget
-
+<%- if browser? -%>
 # Add the nodesource ppa to apt. Update this to change the nodejs version.
 RUN wget https://deb.nodesource.com/setup_16.x -O- | bash
 
@@ -20,21 +20,25 @@ RUN apt-get update && \
 #    browser app.
 #  - Mix is the default asset compiler.
 RUN npm install -g yarn mix
+<%- else -%>
 
-# Installs overmind, not needed if nox is the process manager.
-RUN wget https://github.com/DarthSim/overmind/releases/download/v2.2.2/overmind-v2.2.2-linux-amd64.gz && \
-    gunzip overmind-v2.2.2-linux-amd64.gz && \
-    mv overmind-v2.2.2-linux-amd64 /usr/bin/overmind && \
-    chmod +x /usr/bin/overmind
+# Apt installs:
+# - Postgres cli tools are required for lucky-cli.
+# - tmux is required for the Overmind process manager.
+RUN apt-get update && \
+    apt-get install -y postgresql-client tmux && \
+    rm -rf /var/lib/apt/lists/*
+<%- end -%>
 
-# Install lucky cli, TODO: fetch current lucky version from source code.
+# Install lucky cli
 WORKDIR /lucky/cli
 RUN git clone https://github.com/luckyframework/lucky_cli . && \
-    git checkout v1.0.0-rc1 && \
+    git checkout v<%= LuckyCli::VERSION %> && \
     shards build --without-development && \
     cp bin/lucky /usr/bin
 
 WORKDIR /app
 ENV DATABASE_URL=postgres://postgres:[email protected]:5432/postgres
-EXPOSE 5001
+EXPOSE 3000
+EXPOSE 3001