diff --git a/CHANGELOG.md b/CHANGELOG.md
index 482f306..b67ab08 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Added
 ### Changed
 - default to exposing only necessary ports [PR26](https://github.com/hintmedia/railsdock/pull/26)
+- move most config to compose file [PR28](https://github.com/hintmedia/railsdock/pull/28)
 ### Deprecated
 ### Removed
 ### Fixed
diff --git a/lib/railsdock/commands/install.rb b/lib/railsdock/commands/install.rb
index 0b02e7f..8829400 100644
--- a/lib/railsdock/commands/install.rb
+++ b/lib/railsdock/commands/install.rb
@@ -54,7 +54,6 @@ def execute(input: $stdin, output: $stdout)
           inject_driver_config(service)
           append_erb_to_compose_file(service)
           file.inject_into_file('./docker-compose.yml', "\n  #{service}:", after: "\nvolumes:")
-          append_service_config_to_env(service)
           if type == :database
             copy_db_yml("#{BASE_TEMPLATE_DIR}/#{service}/database.yml.erb")
             inject_db_script_into_entrypoint(service)
@@ -129,12 +128,6 @@ def append_erb_to_compose_file(service)
         file.inject_into_file('./docker-compose.yml', "    - #{service}\n", after: "depends_on:\n")
       end
 
-      def append_service_config_to_env(service)
-        file.safe_append_to_file('./.env') do
-          ::File.binread("#{BASE_TEMPLATE_DIR}/#{service}/#{service}.env")
-        end
-      end
-
       def prompt_for_dockerfile_directory
         prompt.ask('Where would you like your docker container configuration files to live?') do |q|
           q.default './docker/'
diff --git a/lib/railsdock/templates/install/default/default.env.erb b/lib/railsdock/templates/install/default/default.env.erb
index 4e11da9..151b9d9 100644
--- a/lib/railsdock/templates/install/default/default.env.erb
+++ b/lib/railsdock/templates/install/default/default.env.erb
@@ -13,19 +13,7 @@ COMPOSE_PATH_SEPARATOR=<%= is_windows? ? ';' : ':' %>
 # Define the prefix of container names. This is useful when there are multiple projects using railsdock
 COMPOSE_PROJECT_NAME=<%= app_name %>
 
-###############################################################################
-######################### Containers Customization ############################
-###############################################################################
-
-
-### RUBY ######################################################################
-# Select a Ruby Version of the Ruby container. Accepted values: 2.2.x-2.7.x
+### User Configuration ######################################################
 
-RAILSDOCK_RUBY_VERSION=<%= ruby_version %>
-BUNDLE_JOBS=10
-BUNDLE_RETRY=3
-RAILS_SERVER_HOST_PORT=3000
 RUBY_UID=<%= uid %>
 RUBY_GID=<%= uid %>
-# Select a Node Version for the Ruby container. Accepted values: 8-13
-RAILSDOCK_NODE_VERSION=12
diff --git a/lib/railsdock/templates/install/default/docker-compose.yml.erb b/lib/railsdock/templates/install/default/docker-compose.yml.erb
index 26f0b4c..65f0587 100644
--- a/lib/railsdock/templates/install/default/docker-compose.yml.erb
+++ b/lib/railsdock/templates/install/default/docker-compose.yml.erb
@@ -4,10 +4,10 @@ x-ruby: &ruby-base
   build:
     context: <%= dockerfile_dir %>ruby
     args:
-      - RAILSDOCK_RUBY_VERSION=${RAILSDOCK_RUBY_VERSION}
-      - RAILSDOCK_NODE_VERSION=${RAILSDOCK_NODE_VERSION}
-      - RAILSDOCK_BUNDLE_JOBS=${BUNDLE_JOBS}
-      - RAILSDOCK_BUNDLE_RETRY=${BUNDLE_RETRY}
+      - RAILSDOCK_RUBY_VERSION=<%= ruby_version %>
+      - RAILSDOCK_NODE_VERSION=12
+      - RAILSDOCK_BUNDLE_JOBS=10
+      - RAILSDOCK_BUNDLE_RETRY=3
       - RUBY_UID=${RUBY_UID}
       - RUBY_GID=${RUBY_GID}
   volumes:
@@ -36,4 +36,4 @@ services:
     command: bundle exec rails server -p 3000 -b '0.0.0.0'
     entrypoint: ./docker/ruby/entrypoint.sh
     ports:
-      - "${RAILS_SERVER_HOST_PORT}:3000"
+      - "3000:3000"
\ No newline at end of file
diff --git a/lib/railsdock/templates/install/memcached/docker-compose.yml.erb b/lib/railsdock/templates/install/memcached/docker-compose.yml.erb
index aa49729..a922b82 100644
--- a/lib/railsdock/templates/install/memcached/docker-compose.yml.erb
+++ b/lib/railsdock/templates/install/memcached/docker-compose.yml.erb
@@ -4,6 +4,6 @@
     build:
       context: <%= dockerfile_dir %>memcached
       args:
-        - MEMCACHED_VERSION=${MEMCACHED_VERSION}
+        - MEMCACHED_VERSION=1.5
     volumes:
       - memcached:/var/lib/memcached
\ No newline at end of file
diff --git a/lib/railsdock/templates/install/memcached/memcached.env b/lib/railsdock/templates/install/memcached/memcached.env
deleted file mode 100644
index 5360558..0000000
--- a/lib/railsdock/templates/install/memcached/memcached.env
+++ /dev/null
@@ -1,5 +0,0 @@
-
-
-### MEMCACHED #################################################################
-
-MEMCACHED_VERSION=1.5
\ No newline at end of file
diff --git a/lib/railsdock/templates/install/mysql/docker-compose.yml.erb b/lib/railsdock/templates/install/mysql/docker-compose.yml.erb
index b8e9c7b..a07d116 100644
--- a/lib/railsdock/templates/install/mysql/docker-compose.yml.erb
+++ b/lib/railsdock/templates/install/mysql/docker-compose.yml.erb
@@ -4,8 +4,8 @@
     build:
       context: <%= dockerfile_dir %>mysql
       args:
-        - MYSQL_VERSION=${MYSQL_VERSION}
+        - MYSQL_VERSION=5.7
     environment:
-      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
+      - MYSQL_ROOT_PASSWORD=Password1
     volumes:
       - mysql:/var/lib/mysql
\ No newline at end of file
diff --git a/lib/railsdock/templates/install/mysql/mysql.env b/lib/railsdock/templates/install/mysql/mysql.env
deleted file mode 100644
index 7dba90b..0000000
--- a/lib/railsdock/templates/install/mysql/mysql.env
+++ /dev/null
@@ -1,6 +0,0 @@
-
-
-### MYSQL #####################################################################
-
-MYSQL_VERSION=5.7
-MYSQL_ROOT_PASSWORD=Password1
\ No newline at end of file
diff --git a/lib/railsdock/templates/install/postgres/docker-compose.yml.erb b/lib/railsdock/templates/install/postgres/docker-compose.yml.erb
index d30d92a..b6c846b 100644
--- a/lib/railsdock/templates/install/postgres/docker-compose.yml.erb
+++ b/lib/railsdock/templates/install/postgres/docker-compose.yml.erb
@@ -4,7 +4,7 @@
     build:
       context: <%= dockerfile_dir %>postgres
       args:
-        - POSTGRES_VERSION=${POSTGRES_VERSION}
+        - POSTGRES_VERSION=12
     environment:
       - POSTGRES_HOST_AUTH_METHOD=trust
     volumes:
diff --git a/lib/railsdock/templates/install/postgres/postgres.env b/lib/railsdock/templates/install/postgres/postgres.env
deleted file mode 100644
index 3aa6a3d..0000000
--- a/lib/railsdock/templates/install/postgres/postgres.env
+++ /dev/null
@@ -1,5 +0,0 @@
-
-
-### POSTGRES ##################################################################
-
-POSTGRES_VERSION=11
\ No newline at end of file
diff --git a/lib/railsdock/templates/install/redis/docker-compose.yml.erb b/lib/railsdock/templates/install/redis/docker-compose.yml.erb
index 8b1b341..7890dfc 100644
--- a/lib/railsdock/templates/install/redis/docker-compose.yml.erb
+++ b/lib/railsdock/templates/install/redis/docker-compose.yml.erb
@@ -4,6 +4,6 @@
     build:
       context: <%= dockerfile_dir %>redis
       args:
-        - REDIS_VERSION=${REDIS_VERSION}
+        - REDIS_VERSION=5
     volumes:
       - redis:/data
\ No newline at end of file
diff --git a/lib/railsdock/templates/install/redis/redis.env b/lib/railsdock/templates/install/redis/redis.env
deleted file mode 100644
index a4db4b6..0000000
--- a/lib/railsdock/templates/install/redis/redis.env
+++ /dev/null
@@ -1,5 +0,0 @@
-
-
-### REDIS #####################################################################
-
-REDIS_VERSION=4
\ No newline at end of file