Use Docker Compose V2 (#88)

## Ticket

Resolves #33

## Changes

Updates all references to `docker-compose` to `docker compose`.

app/Makefile

@@ -87,21 +87,21 @@ setup-local:
 ##################################################
 
 build:
-	docker-compose build
+	docker compose build
 
 start:
-	docker-compose up --detach
+	docker compose up --detach
 
 run-logs: start
-	docker-compose logs --follow --no-color $(APP_NAME)
+	docker compose logs --follow --no-color $(APP_NAME)
 
 init: build init-db
 
 clean-volumes: ## Remove project docker volumes (which includes the DB state)
-	docker-compose down --volumes
+	docker compose down --volumes
 
 stop:
-	docker-compose down
+	docker compose down
 
 check: format-check lint test
 
@@ -118,7 +118,7 @@ check: format-check lint test
 init-db: start-db db-migrate
 
 start-db:
-	docker-compose up --detach main-db
+	docker compose up --detach main-db
 	./bin/wait-for-local-db.sh
 
 ## Destroy current DB, setup new one

app/src/logging/decodelog.py

@@ -1,7 +1,7 @@
 #
 # Make JSON logs easier to read when developing or troubleshooting.
 #
-# Expects JSON log lines or `docker-compose log` output on stdin and outputs plain text lines on
+# Expects JSON log lines or `docker compose log` output on stdin and outputs plain text lines on
 # stdout.
 #
 # This module intentionally has no dependencies outside the standard library so that it can be run
@@ -42,7 +42,7 @@ def process_line(line: str) -> Optional[str]:
         # JSON format
         return decode_json_line(line)
     elif "| {" in line:
-        # `docker-compose logs ...` format
+        # `docker compose logs ...` format
         return decode_json_line(line[line.find("| {") + 2 :])
     # Anything else is left alone
     return line