add docker setup

Dockerfile

@@ -1,9 +1,10 @@
+# build image
 FROM rust:latest as build
 
 RUN rustup target add wasm32-unknown-unknown
 RUN cargo install trunk wasm-bindgen-cli
 
-RUN apt-get update && apt-get install -y npm binaryen && npm install -g sass
+RUN apt-get update && apt-get install -y npm binaryen libpq5 && npm install -g sass
 
 WORKDIR /app/src
 COPY . .
@@ -11,11 +12,23 @@ COPY . .
 RUN cd frontend && trunk build --release
 RUN cargo build --release
 
-FROM gcr.io/distroless/cc-debian10
+
+# production image
+
+#FROM gcr.io/distroless/cc-debian10
+#COPY --from=build /usr/lib/*/libpq.so.5 /app/lib/
+#COPY --from=build /usr/lib/*/libgssapi_krb5.so.2 /app/lib/
+#COPY --from=build /usr/lib/*/libldap_r-2.4.so.2 /app/lib/
+#COPY --from=build /usr/lib/*/libkrb5.so.3 /app/lib/
+#COPY --from=build /usr/lib/*/libk5crypto.so.3 /app/lib/
+#COPY --from=build /usr/lib/*/libcom_err.* /app/lib/
+#ENV LD_LIBRARY_PATH=/app/lib/
+
+FROM ubuntu:latest
 RUN apt-get update && apt-get install -y libpq5
 
 COPY --from=build /app/src/target/release/backend /app/backend
 COPY --from=build /app/src/frontend/dist /app/dist
 
 WORKDIR /app
-CMD ["./backend"]
+CMD ["./backend"]