Update Docker to accept REFRESH_INTERVAL as an environment variable

Signed-off-by: Jordan Doyle <[email protected]>

Dockerfile

@@ -9,5 +9,8 @@ RUN cargo build --release
 FROM debian:bullseye-slim
 COPY --from=builder /sources/target/release/rgit /rgit
 
+COPY ./scripts/docker/entrypoint.sh .
+RUN chmod +x entrypoint.sh
+
 EXPOSE 8000
-ENTRYPOINT ["/rgit", "[::]:8000", "/git", "-d", "/tmp/rgit-cache.db"]
+ENTRYPOINT ["/entrypoint.sh"]

README.md

@@ -33,7 +33,7 @@ $
 Usage:
 
 ```
-rgit 0.1.0
+rgit 0.1.1
 
 USAGE:
     rgit --db-store <DB_STORE> <BIND_ADDRESS> <SCAN_PATH>
@@ -51,6 +51,10 @@ OPTIONS:
             doesn't already exist
 
             The Sled database is very quick to generate, so this can be pointed to temporary storage
+    --refresh-interval <REFRESH_INTERVAL>
+            Configures the metadata refresh interval (eg. "never" or "60s")
+
+            [default: 5m]
 
     -h, --help
             Print help information
@@ -133,6 +137,15 @@ An example override file has been has been provided with the repository. To use
 `.example` extension from `docker-compose.override.yml.example`, and adjust the UID and GID to
 match the user that owns the directory containing your repositories.
 
+To configure automatic refresh in Docker, an environment variable is also provided.
+
+```
+services:
+  rgit:
+    environment:
+	  - REFRESH_INTERVAL=5m
+```
+
 Afterwards, bring up the container with `docker-compose up` to make sure everything works.
 
 ### Notes

docker-compose.override.yml.example

@@ -2,3 +2,5 @@ version: '3'
 services:
   rgit:
     user: 1000:1000
+    environment:
+	  - REFRESH_INTERVAL=5m

scripts/docker/entrypoint.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+if [ -z ${REFRESH_INTERVAL+x} ];
+then 
+	./rgit [::]:8000 /git -d /tmp/rgit-cache.db; 
+else
+	./rgit [::]:8000 /git -d /tmp/rgit-cache.db --refresh-interval $REFRESH_INTERVAL; 
+fi