Fix how root .env file is loaded

The previous method wasn't working for manually loading the root .env or
when using devbox services.

Author: prestoncabe

.devcontainer/Dockerfile

@@ -7,6 +7,7 @@ RUN mkdir -p /code && chown ${DEVBOX_USER}:${DEVBOX_USER} /code
 USER ${DEVBOX_USER}:${DEVBOX_USER}
 COPY --chown=${DEVBOX_USER}:${DEVBOX_USER} devbox.json devbox.json
 COPY --chown=${DEVBOX_USER}:${DEVBOX_USER} devbox.lock devbox.lock
+COPY --chown=${DEVBOX_USER}:${DEVBOX_USER} .env.example .env
 
 
 RUN devbox run -- echo "Installed Packages." && nix-store --gc && nix-store --optimise

.devcontainer/devcontainer.json

@@ -4,7 +4,7 @@
     "dockerfile": "./Dockerfile",
     "context": ".."
   },
-  "postCreateCommand": "devbox run setup",
+  "postCreateCommand": "bin/ensure-root-env-file && devbox run setup",
   "customizations": {
     "vscode": {
       "settings": {},

.rootenvrc

@@ -0,0 +1,5 @@
+# source this file to manually load environment variables from .env file
+# (not needed if you use devbox, process-compose, direnv, etc.)
+set -a
+[ -f .env ] && source .env
+set +a

README.md

@@ -149,7 +149,7 @@ firebase emulators:start --project demo-bdt-dev --only auth,firestore,storage
 
 ```bash
 # then start up services one by one in new shells, e.g.:
-bin/load-root-env
+source .rootenvrc
 cd builder-api
 quarkus dev
 ```

bin/load-root-env

@@ -8,10 +8,9 @@
     "google-cloud-sdk@latest",
     "nodejs@22"
   ],
+  "env_from": ".env",
   "shell": {
     "init_hook": [
-      "bin/ensure-root-env-file || echo 'error ensuring root .env file'",
-      "bin/load-root-env || echo 'error loading root .env'",
       "command -v bin/devbox-init-hook >/dev/null && bin/devbox-init-hook || true",
       "echo 'Welcome to devbox!'"
     ],