feat: Removed unecessary containers

base/Dockerfile

@@ -1,7 +1,6 @@
 FROM alpine:edge
 
 RUN apk add --no-cache \
-    bash \
     curl \
     helix \
     shadow \
@@ -10,8 +9,7 @@ RUN apk add --no-cache \
     build-base \
     ca-certificates
 
-RUN chsh -s /bin/bash
 RUN mkdir /app
 WORKDIR /app
 
-CMD [ "/bin/bash" ]
+CMD [ "/bin/sh" ]

kotlin-dev/Dockerfile

@@ -1,17 +0,0 @@
-FROM git.luke-else.co.uk/luke-else/lab:latest
-
-RUN sudo apk add --no-cache unzip zip openjdk21
-
-# Set Java environment variables
-ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk
-ENV PATH="$JAVA_HOME/bin:$PATH"
-
-# Install SDKMAN and use it to install Kotlin and Gradle
-RUN curl -s "https://get.sdkman.io" | bash && \
-    bash -c "source $HOME/.sdkman/bin/sdkman-init.sh && \
-             sdk install kotlin && \
-             sdk install gradle"
-
-# Make SDKMAN tools available in PATH
-ENV SDKMAN_DIR="/root/.sdkman"
-ENV PATH="$SDKMAN_DIR/candidates/kotlin/current/bin:$SDKMAN_DIR/candidates/gradle/current/bin:$PATH"

kotlin/Dockerfile

@@ -1,17 +0,0 @@
-FROM git.luke-else.co.uk/luke-else/base:latest
-
-RUN apk add --no-cache unzip zip openjdk21
-
-# Set Java environment variables
-ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk
-ENV PATH="$JAVA_HOME/bin:$PATH"
-
-# Install SDKMAN and use it to install Kotlin and Gradle
-RUN curl -s "https://get.sdkman.io" | bash && \
-    bash -c "source $HOME/.sdkman/bin/sdkman-init.sh && \
-             sdk install kotlin && \
-             sdk install gradle"
-
-# Make SDKMAN tools available in PATH
-ENV SDKMAN_DIR="/root/.sdkman"
-ENV PATH="$SDKMAN_DIR/candidates/kotlin/current/bin:$SDKMAN_DIR/candidates/gradle/current/bin:$PATH"