Make clockworklabs/spacetime docker image build from source (#2521)

Author: coolreader18

Dockerfile

@@ -1,4 +1,11 @@
 # Use a base image that supports multi-arch
+FROM rust:bookworm AS builder
+
+WORKDIR /usr/src/app
+COPY . .
+
+RUN cargo build -p spacetimedb-standalone -p spacetimedb-cli --release --locked
+
 FROM rust:bookworm
 
 # Install dependencies
@@ -30,14 +37,14 @@ RUN dotnet workload install wasi-experimental
 # Install Rust WASM target
 RUN rustup target add wasm32-unknown-unknown
 
+# Copy over SpacetimeDB
+COPY --from=builder --chmod=755 /usr/src/app/target/release/spacetimedb-standalone /usr/src/app/target/release/spacetimedb-cli /opt/spacetime/
+RUN ln -s /opt/spacetime/spacetimedb-cli /usr/local/bin/spacetime
+
 # Create and switch to a non-root user
 RUN useradd -m spacetime
 USER spacetime
 
-# Install SpacetimeDB
-RUN curl -sSfL https://install.spacetimedb.com | bash -s -- --yes
-ENV PATH="/home/spacetime/.local/bin:${PATH}"
-
 # Set working directory
 WORKDIR /app