chore: Rename containers to containerfiles

containerfiles/relay.Containerfile

@@ -0,0 +1,29 @@
+FROM docker.io/golang:1.24-alpine AS go-build
+WORKDIR /builder
+COPY packages/relay/ /builder/
+RUN go build
+
+FROM docker.io/golang:1.24-alpine
+COPY --from=go-build /builder/relay /relay/relay
+WORKDIR /relay
+
+# TODO: Switch running layer to just alpine (doesn't need golang dev stack)
+
+# ENV flags
+ENV REGEN_IDENTITY=false
+ENV VERBOSE=false
+ENV DEBUG=false
+ENV ENDPOINT_PORT=8088
+ENV WEBRTC_UDP_START=0
+ENV WEBRTC_UDP_END=0
+ENV STUN_SERVER="stun.l.google.com:19302"
+ENV WEBRTC_UDP_MUX=8088
+ENV WEBRTC_NAT_IPS=""
+ENV AUTO_ADD_LOCAL_IP=true
+ENV PERSIST_DIR="./persist-data"
+
+EXPOSE $ENDPOINT_PORT
+EXPOSE $WEBRTC_UDP_START-$WEBRTC_UDP_END/udp
+EXPOSE $WEBRTC_UDP_MUX/udp
+
+ENTRYPOINT ["/relay/relay"]