add thc

Dockerfile

@@ -1,3 +1,6 @@
+# we use thc for healthchecks
+FROM codeberg.org/gigirassy/thc:latest AS thc
+
 # alpine for static binaries
 FROM rust:alpine AS build
 
@@ -19,6 +22,11 @@ USER 65535:65535
 
 # copy binary into path
 COPY --from=build --chown=65535:65535 /tmp/bin/teletraan /teletraan
+COPY --from=thc /thc /thc
+
+# configure thc
+ENV THC_PORT=3000 \
+    THC_PATH=/
 
 # data workdir. this allows using teletraan as the base for images easily via simply ``COPY --from=build /app/dist .``
 WORKDIR /data
@@ -26,6 +34,7 @@ WORKDIR /data
 # expose
 EXPOSE 3000
 
-# to run it. the cmd is left free so people can serve single page apps with the -s flag
+# to run it and thc. the cmd is left free so people can serve single page apps with the -s flag
 ENTRYPOINT ["/teletraan"]
 CMD [""]
+HEALTHCHECK --interval=5s --timeout=5s --start-period=10s --retries=5 CMD ["/thc"]