boot: add dotenv to load env variables

.env.sample

@@ -0,0 +1,5 @@
+LIFEPEX_DB=sqlite://sqlite.db
+LIFEPEX_BIND=127.0.0.1
+LIFEPEX_BASE_URL=
+LIFEPEX_SECRET=
+LIFEPEX_ENV=

.gitignore

@@ -1,2 +1,3 @@
 *.db
 coverage
+.env.*local

Gemfile

@@ -32,3 +32,5 @@ group :test do
   gem "rack-test", "~> 1.1", require: false
   # gem "simplecov", "~> 0.21.2", require: false
 end
+
+gem "dotenv", "~> 2.7"

Gemfile.lock

@@ -12,6 +12,7 @@ GEM
     colorize (0.8.1)
     concurrent-ruby (1.1.9)
     doc_my_routes (0.13.0)
+    dotenv (2.7.6)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     jwt (2.2.3)
@@ -65,6 +66,7 @@ DEPENDENCIES
   bcrypt (~> 3.1)
   colorize (~> 0.8.1)
   doc_my_routes
+  dotenv (~> 2.7)
   jwt (~> 2.2)
   pg (~> 1.2)
   pry (~> 0.14.1)

README.md

@@ -26,13 +26,13 @@ psql -U postgres postgres -c "CREATE DATABASE life_pex"
 ## Start
 
 ```
-export LIFEPEX_SECRET="put something random here" # recommanded
-export LIFEPEX_BASE_URL="https://mydomain/base" # recommanded
-export LIFEPEX_DB="sqlite://sqlite.db" # REQUIRED
+echo LIFEPEX_DB="sqlite://sqlite.db" > .env.local # REQUIRED
+echo LIFEPEX_SECRET="put something random here" >> .env.local # recommanded
+echo LIFEPEX_BASE_URL="https://mydomain/base" >> .env.local # recommanded
 # you may also want to use postgres or something
-# export LIFEPEX_DB="postgres://root:toor@localhost/life_pex"
-# export LIFEPEX_BIND="0.0.0.0" # you may want to bind against something else than 127.0.01
-# export LIFEPEX_ENV="production" # why not hide stacktraces ?
+# LIFEPEX_DB="postgres://root:toor@localhost/life_pex"
+# LIFEPEX_BIND="0.0.0.0" # you may want to bind against something else than 127.0.01
+# LIFEPEX_ENV="production" # why not hide stacktraces ?
 ./src/app.rb
 ```
 

src/app.rb

@@ -18,6 +18,9 @@ require "active_support"
 require "active_support/core_ext"
 require "pry" # debug
 
+require "dotenv"
+Dotenv.load(".env.local", ".env")
+
 require_relative "./utils/url.rb"
 require_relative "./utils/boot_framework"