build: try to fix docker build.

Author: zicklag

actors.Dockerfile

@@ -1,10 +1,26 @@
+FROM alpine/git:latest as repo
+
+ARG RAILWAY_GIT_COMMIT_SHA
+ENV RAILWAY_GIT_COMMIT_SHA=${RAILWAY_GIT_COMMIT_SHA}
+
+RUN echo "Cache bust: ${RAILWAY_GIT_COMMIT_SHA}"
+
+RUN mkdir /repo
+WORKDIR /repo
+
+RUN git clone --depth=1 --single-branch --branch main https://github.com/muni-town/rivet-roomy-space.git .
+RUN git submodule init && git submodule update --depth=1
+
 FROM oven/bun:1.3.11-alpine AS builder
 
+COPY --from=repo /repo /project
+
 # Uncomment if building on network with a custom certificate
 #COPY ./gitignore/ca-certificates.crt /etc/ssl/cert.pem
 #ENV NODE_EXTRA_CA_CERTS=/etc/ssl/certs/ca-certificates.crt
 
-COPY . /project
+WORKDIR /project
+RUN bun install
 WORKDIR /project/actors
 
 RUN bun install