elixir          1.13.4-otp-24
erlang          24.3.4

❯ mix phx.new --version
Phoenix installer v1.6.8

❯ fly version
fly v0.0.325 darwin/amd64 Commit: da2b638 BuildDate: 2022-04-28T04:00:48Z

cd path/to/your/workspace

git clone https://github.com/mnishiguchi/hello_phx_daisyui_flyio

cd hello_phx_daisyui_flyio

rm -rf rel fly.toml Dockerfile

❯ fly launch
Creating app in /Users/mnishiguchi/src/hello_phx_flyio
Scanning source code
Detected a Phoenix app
? App Name (leave blank to use an auto-generated name): mnishiguchi-test-1
Automatically selected personal organization: Masatoshi Nishiguchi
? Select region: iad (Ashburn, Virginia (US))
Created app mnishiguchi-test-1 in organization personal
Set secrets on mnishiguchi-test-1: SECRET_KEY_BASE
Preparing system for Elixir builds
Installing application dependencies
Running Docker release generator
Wrote config file fly.toml
? Would you like to setup a Postgresql database now? Yes
For pricing information visit: https://fly.io/docs/about/pricing/#postgresql-clusters
? Select configuration: Development - Single node, 1x shared CPU, 256MB RAM, 1GB disk
Creating postgres cluster mnishiguchi-test-1-db in organization personal
Postgres cluster mnishiguchi-test-1-db created
  Username:    postgres
  Password:    1659337b1f06452fdb592b84db7d015bf41bcfa76d9a46de
  Hostname:    mnishiguchi-test-1-db.internal
  Proxy Port:  5432
  PG Port: 5433
Save your credentials in a secure place, you won't be able to see them again!

Monitoring Deployment

1 desired, 1 placed, 1 healthy, 0 unhealthy [health checks: 3 total, 3 passing]
--> v0 deployed successfully

Connect to postgres
Any app within the personal organization can connect to postgres using the above credentials and the hostname "mnishiguchi-test-1-db.internal."
For example: postgres://postgres:1659337b1f06452fdb592b84db7d015bf41bcfa76d9a46de@mnishiguchi-test-1-db.internal:5432

See the postgres docs for more information on next steps, managing postgres, connecting from outside fly:  https://fly.io/docs/reference/postgres/

Postgres cluster mnishiguchi-test-1-db is now attached to mnishiguchi-test-1
The following secret was added to mnishiguchi-test-1:
  DATABASE_URL=postgres://mnishiguchi_test_1:V8uo66rOJJWUHMS@top2.nearest.of.mnishiguchi-test-1-db.internal:5432/mnishiguchi_test_1
Postgres cluster mnishiguchi-test-1-db is now attached to mnishiguchi-test-1
? Would you like to deploy now? No

Your Phoenix app should be ready for deployment!.

If you need something else, post on our community forum at https://community.fly.io.

When you're ready to deploy, use 'fly deploy --remote-only'.

  # install build dependencies
  RUN apt-get update -y && apt-get install -y build-essential git \
+     && apt-get install -y curl \
+     && curl -sL https://deb.nodesource.com/setup_16.x | bash \
+     && apt-get install -y nodejs \
      && apt-get clean && rm -f /var/lib/apt/lists/*_*

  # prepare build dir
    @@ -46,12 +49,19 @@ RUN mkdir config
  COPY config/config.exs config/${MIX_ENV}.exs config/
  RUN mix deps.compile

+ # install npm dependencies
+ COPY assets/package.json assets/package-lock.json ./assets/
+ RUN npm --prefix ./assets ci --progress=false --no-audit --loglevel=error
+
  COPY priv priv

  COPY lib lib

  COPY assets assets

+ # install NPM dependencies
+ RUN npm install --prefix assets
+
  # compile assets
  RUN mix assets.deploy

fly deploy --remote-only

fly dashboard
fly open
fly status
fly logs