feat: various modifications

- Default ubuntu user is removed
- Can add apt packages during image building with --apt-packages="list
  of pkg"
- Remove and/or prune podman image option
- Fix condition checks

Dockerfile

@@ -6,6 +6,8 @@ FROM ubuntu:${UBUNTU_VERSION}
 ARG NODE_VERSION=24.21.0
 ARG OPENCODE_VERSION=2.0.3
 
+ARG EXTRA_APT_PACKAGES=""
+
 ARG DEV_UID=1000
 ARG DEV_GID=1000
 
@@ -49,16 +51,22 @@ RUN apt-get update \
         zip \
     && update-alternatives --set java /usr/lib/jvm/java-17-openjdk-amd64/bin/java \
     && update-alternatives --set javac /usr/lib/jvm/java-17-openjdk-amd64/bin/javac \
-    && rm -rf /var/lib/apt/lists/* \
     && echo 'en_US.UTF-8 UTF-8' > /etc/locale.gen \
     && locale-gen \
     && ln -s "$(command -v fdfind)" /usr/local/bin/fd
 
+RUN if [ -n "${EXTRA_APT_PACKAGES}" ]; then \
+        echo "Installing extra packages: ${EXTRA_APT_PACKAGES}" \
+        && apt-get install -y --no-install-recommends ${EXTRA_APT_PACKAGES}; \
+    fi
+
+RUN rm -rf /var/lib/apt/lists/*
+
 COPY ./certs /usr/local/share/ca-certificates
 RUN update-ca-certificates
 ENV NODE_EXTRA_CA_CERTS=/etc/ssl/certs/ca-certificates.crt
 
-# Remove ubuntu user and create the dev one
+# Remove ubuntu user and create the dev one with host uid and gid
 RUN (userdel -r ubuntu 2>/dev/null || true) \
     && (groupdel ubuntu 2>/dev/null || true) \
     && groupadd --gid "${DEV_GID}" dev \
@@ -100,6 +108,4 @@ ENV HOME=/home/dev \
 
 WORKDIR /workspace
 
-ENTRYPOINT ["/usr/local/bin/opencode-dev-entrypoint"]
-
 CMD ["bash"]