Fix entrypoint gosu test write (#772)

- Let gosu run the full test write
- Delete stale compose

Fixes #771 - gosu pipe broken on Proxmox LXC installs

docker-compose.bypass-test.yml

@@ -1,39 +0,0 @@
-# Bypass testing - switch between dev build and v1.0.1
-# Usage:
-#   Test dev build:  docker compose -f docker-compose.bypass-test.yml up shelfmark-dev
-#   Test v1.0.1:     docker compose -f docker-compose.bypass-test.yml up shelfmark-stable
-#   Pull latest dev: docker compose -f docker-compose.bypass-test.yml build shelfmark-dev
-#   Pull v1.0.1:     docker compose -f docker-compose.bypass-test.yml pull shelfmark-stable
-
-services:
-  # Dev image from registry
-  shelfmark-dev:
-    image: ghcr.io/calibrain/shelfmark:dev
-    container_name: shelfmark-bypass-dev
-    environment:
-      PUID: 1000
-      PGID: 1000
-      DEBUG: true
-    ports:
-      - 8084:8084
-    volumes:
-      - ./.local/bypass-test/config-dev:/config
-      - ./.local/bypass-test/books:/books
-      - ./.local/bypass-test/log-dev:/var/log/shelfmark
-      - ./.local/bypass-test/tmp:/tmp/shelfmark
-
-  # Stable v1.0.1 for comparison
-  shelfmark-stable:
-    image: ghcr.io/calibrain/shelfmark:1.0.1
-    container_name: shelfmark-bypass-stable
-    environment:
-      PUID: 1000
-      PGID: 1000
-      DEBUG: true
-    ports:
-      - 8085:8084
-    volumes:
-      - ./.local/bypass-test/config-stable:/config
-      - ./.local/bypass-test/books:/books
-      - ./.local/bypass-test/log-stable:/var/log/shelfmark
-      - ./.local/bypass-test/tmp:/tmp/shelfmark

entrypoint.sh

@@ -138,9 +138,7 @@ test_write() {
         return 1
     fi
 
-    if ! (
-        echo 0123456789_TEST | gosu "$USERNAME" env HOME=/app tee "$test_file" > /dev/null
-    ); then
+    if ! gosu "$USERNAME" sh -c 'echo 0123456789_TEST > "$1"' _ "$test_file"; then
         echo "Failed to write test file in $folder as $USERNAME"
         return 1
     fi