feat: add script to parse and upload env variables from .env (#1)

.gitignore

@@ -228,3 +228,5 @@ pyrightconfig.json
 .ionide
 
 # End of https://www.toptal.com/developers/gitignore/api/macos,visualstudiocode,python
+
+.env.*

app/api/api_v0/api.py

@@ -8,8 +8,10 @@
 @router.get("")
 async def root():
     return {
-        "ENV": os.getenv("ENV", default='dev'),
+        "ENV": os.getenv("ENV", default="dev"),
         "message": "Hello World!",
+        "SOME_ENV": os.getenv("SOME_ENV", default=""),
+        "OTHER_ENV": os.getenv("OTHER_ENV", default=""),
     }
 
 

app/main.py

@@ -20,8 +20,8 @@
     allow_headers=["*"],
 )
 
-# Add or comment out the following lines of code to include a new version of API or
-# deprecate an old version
+# Add or comment out the following lines of code to include a new version of
+# API or deprecate an old version
 app.include_router(api_v0_router, prefix="/api/v0")
 
 # The magic that allows the integration with AWS Lambda

scripts/deploy.sh

@@ -118,10 +118,25 @@ config_lambda() {
 
 
     # Update ENV variables for the lambda function
-    echo -e "${BWhite}Update environment variables for Lambda function $AWS_LAMBDA_FUNC_NAME...${ColorOff}\n"
+    comment_re="^#.*"
+    VARIABLES="Variables={"
+    # Handle a last line that may not be followed by a newline
+    # https://unix.stackexchange.com/a/418067
+    while IFS= read -r line || [ -n "$line" ]; do
+        # Trime leading white space: https://stackoverflow.com/a/3232433/9723036
+        trimmed="$(echo $line | sed -e 's/^[[:space:]]*//')"
+        # ignore commented out env and empty lines
+        if [[ ! $trimmed =~ $comment_re ]] && [ "$trimmed" != "" ];
+        then
+            VARIABLES+="$trimmed,"
+        fi
+    done < .env.$ENV
+    VARIABLES+="ENV=$ENV}"
+
+    echo -e "${BWhite}Update environment variables...${ColorOff}\n"
     until aws lambda update-function-configuration \
         --function-name $AWS_LAMBDA_FUNC_NAME \
-        --environment "Variables={ENV=$ENV}" 2> /dev/null
+        --environment $VARIABLES 2> /dev/null
     do
         sleep 2
     done