Set up dockerfile, and handle SIGINT signals

api/Dockerfile

@@ -0,0 +1,31 @@
+# This dockerfile builds the API and runs it on a minimal container with the Datastore adaptor
+
+FROM rust:latest as builder
+
+# Install CA Certs for Hyper
+RUN apt-get install -y --no-install-recommends ca-certificates
+RUN update-ca-certificates
+
+WORKDIR /usr/src/app
+COPY . .
+# Will build and cache the binary and dependent crates in release mode
+RUN --mount=type=cache,target=/usr/local/cargo,from=rust:latest,source=/usr/local/cargo \
+    --mount=type=cache,target=target \
+    cargo build --release --features datastore-adaptor && mv ./target/release/crabfit-api ./api
+
+# Runtime image
+FROM debian:bullseye-slim
+
+# Run as "app" user
+RUN useradd -ms /bin/bash app
+
+USER app
+WORKDIR /app
+
+# Get compiled binaries from builder's cargo install directory
+COPY --from=builder /usr/src/app/api /app/api
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+
+# Run the app
+EXPOSE 3000
+CMD ./api