feat: replace python script with curl (#7192)

Co-authored-by: Michael Genson <71845777+michael-genson@users.noreply.github.com>

docker/Dockerfile

@@ -119,6 +119,7 @@ ENV GIT_COMMIT_HASH=$COMMIT
 
 RUN apt-get update \
     && apt-get install --no-install-recommends -y \
+    curl \
     gosu \
     iproute2 \
     libldap-common \
@@ -141,7 +142,9 @@ ENV APP_PORT=9000
 
 EXPOSE ${APP_PORT}
 
-HEALTHCHECK CMD python -m mealie.scripts.healthcheck || exit 1
+COPY ./docker/healthcheck.sh $MEALIE_HOME/healthcheck.sh
+RUN chmod +x $MEALIE_HOME/healthcheck.sh
+HEALTHCHECK CMD $MEALIE_HOME/healthcheck.sh
 
 ENV HOST 0.0.0.0
 

docker/healthcheck.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+PORT="${API_PORT:-9000}"
+
+if [ -n "$TLS_CERTIFICATE_PATH" ] && [ -n "$TLS_PRIVATE_KEY_PATH" ]; then
+  PROTO="https"
+else
+  PROTO="http"
+fi
+
+# -k: TLS certificate is likely not issued for 127.0.0.1, so don't verify
+curl -fsk "${PROTO}://127.0.0.1:${PORT}/api/app/about" > /dev/null