Dockerfile

FROM docker.io/rust:1-slim-bookworm AS build

## cargo package name: customize here or provide via --build-arg
ARG pkg=rocket-app

WORKDIR /build

COPY . .

# RUN cp ./MyRootCA.crt /usr/local/share/ca-certificates/
# RUN update-ca-certificates

RUN apt-get update -y
RUN apt-get install -y pkg-config libssl-dev

RUN --mount=type=cache,target=/build/target \
    --mount=type=cache,target=/usr/local/cargo/registry \
    --mount=type=cache,target=/usr/local/cargo/git \
    set -eux; \
    cargo build --release; \
    objcopy --compress-debug-sections target/release/$pkg ./main

################################################################################

FROM docker.io/debian:bookworm-slim

WORKDIR /app

RUN apt-get update -y
RUN apt-get install -y pkg-config libssl-dev
RUN apt-get install -y ca-certificates

## copy the main binary
COPY --from=build /build/main ./

## copy runtime assets which may or may not exist
COPY --from=build /build/json/ ./json
COPY --from=build /build/src/public/ ./src/public
##  COPY --from=build /build/Rocket.tom[l] ./static
##  COPY --from=build /build/stati[c] ./static
##  COPY --from=build /build/template[s] ./templates

# Define an argument for the OpenWeatherMap API key
ARG OPENWEATHER_API_KEY
# Set it as an environment variable inside the container
ENV OPENWEATHER_API_KEY=${OPENWEATHER_API_KEY}

## ensure the container listens globally on port 8080
ENV ROCKET_ADDRESS=0.0.0.0
ENV ROCKET_PORT=8080

RUN echo OPENWEATHER_API_KEY $OPENWEATHER_API_KEY

CMD ./main