chore: included pkgconf and libssl-dev to support building with OpenSSL (#1721)

Author: sergeytimoshin

forester/Dockerfile

@@ -1,6 +1,10 @@
 FROM rust:1.79 AS builder
 WORKDIR /app
-RUN apt-get update && apt install -y clang lld
+RUN apt-get update && apt install -y clang lld pkgconf libssl-dev
+ENV OPENSSL_DIR=/usr
+ENV OPENSSL_LIB_DIR=/usr/lib
+ENV OPENSSL_INCLUDE_DIR=/usr/include
+
 COPY .. .
 RUN cargo build --release --package forester