Add ALLOW_RUN_AS_ROOT environment variable support

Author: mbround18

Dockerfile.odin

@@ -37,5 +37,6 @@ RUN make release PROFILE=production
 FROM debian:${DEBIAN_VERSION}-slim as runtime
 WORKDIR /apps
 COPY --from=builder /data/odin/target/release/odin /data/odin/target/release/huginn ./
+ENV ALLOW_RUN_AS_ROOT="1"
 ENTRYPOINT ["/apps/odin"]
 CMD ["--version"]

docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3"
 services:
   odin:
-    image: mbround18/odin:latest
+    image: mbround18/odin:sha-179b1b5
     build:
       context: .
       dockerfile: ./Dockerfile.odin
@@ -10,7 +10,7 @@ services:
   valheim:
     depends_on:
       - odin
-    image: mbround18/valheim:latest
+    image: mbround18/valheim:sha-179b1b5
     environment:
       PORT: 2456
       NAME: "Created With Valheim Docker"

src/odin/utils/is_root.rs

@@ -1,6 +1,11 @@
+use std::env;
 use users::{get_current_uid, get_user_by_uid};
 
 pub fn is_root() -> bool {
+  let bypass = env::var("ALLOW_RUN_AS_ROOT").unwrap_or(String::from("0"));
+  if bypass.eq("1") || bypass.eq("true") {
+    return true;
+  }
   let current_uid = get_current_uid();
   match get_user_by_uid(current_uid) {
     Some(user) => user.uid() == 0,