fix: reduce footprint of docker builds (#515)

* fix: reduce footprint of docker builds

- bump to alpine 3.22
- don't add build dependencies to final image
- add runtime depencies, devtools to dev image

* fix base image deps

---------

Co-authored-by: Thomas Miceli <27960254+thomiceli@users.noreply.github.com>

Dockerfile

@@ -3,15 +3,8 @@ FROM alpine:3.22 AS base
 RUN apk update && \
         apk add --no-cache \
         make \
-        shadow \
-        openssl \
-        openssh \
-        curl \
-        wget \
-        git \
-        gnupg \
-        xz \
         gcc \
+        git \
         musl-dev \
         libstdc++
 
@@ -29,6 +22,14 @@ COPY . .
 
 
 FROM base AS dev
+RUN apk add --no-cache \
+    openssl \
+    openssh-server \
+    curl \
+    wget \
+    git \
+    gnupg \
+    xz
 
 EXPOSE 6157 2222 16157
 
@@ -50,24 +51,16 @@ FROM alpine:3.22 as prod
 RUN apk update && \
     apk add --no-cache \
     shadow \
-    openssl \
+    openssh-server \
-    openssh \
     curl \
-    wget \
+    git
-    git \
-    gnupg \
-    xz \
-    gcc \
-    musl-dev \
-    libstdc++
 
 RUN addgroup -S opengist && \
     adduser -S -G opengist -s /bin/ash -g 'Opengist User' opengist
 
-COPY --from=build --chown=opengist:opengist /opengist/config.yml config.yml
-
 WORKDIR /app/opengist
 
+COPY --from=build --chown=opengist:opengist /opengist/config.yml /config.yml
 COPY --from=build --chown=opengist:opengist /opengist/opengist .
 COPY --from=build --chown=opengist:opengist /opengist/docker ./docker