Dockerfile and Docker compose

config/secrets.yml.docker

@@ -0,0 +1,26 @@
+# Shared secrets are available across all environments.
+
+# shared:
+#   api_key: a1B2c3D4e5F6
+
+# Environmental secrets are only available for that specific environment.
+
+default: &default
+  secret_key_base: CHANGE_ME
+  admin:
+    email: <%= ENV['ADMIN_MAIL'] %>
+    password: <%= ENV['ADMIN_PASSWORD'] %>
+
+development:
+  <<: *default
+
+test:
+  <<: *default
+
+# Do not keep production secrets in the unencrypted secrets file.
+# Instead, either read values from the environment.
+# Or, use `bin/rails secrets:setup` to configure encrypted secrets
+# and move the `production:` environment over there.
+
+production:
+  <<: *default