80 lines
2.6 KiB
Docker
80 lines
2.6 KiB
Docker
ARG ALPINE_VERSION=3.21
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FROM hub.docker.struchkov.dev/alpine:${ALPINE_VERSION}
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LABEL maintainer="Struchkov Mark <mark@struchkov.dev>"
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LABEL org.opencontainers.image.source="https://github.com/upagge/samba"
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LABEL org.opencontainers.image.description="Samba file server with Time Machine support"
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# Install packages and create samba user
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RUN apk --no-cache --no-progress upgrade && \
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apk --no-cache --no-progress add bash samba shadow tini tzdata && \
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addgroup -S smb && \
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adduser -S -D -H -h /tmp -s /sbin/nologin -G smb -g 'Samba User' smbuser
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# Configure smb.conf
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RUN file="/etc/samba/smb.conf" && \
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# Modify existing options
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sed -i 's|^;* *\(log file = \).*| \1/dev/stdout|' "$file" && \
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sed -i 's|^;* *\(load printers = \).*| \1no|' "$file" && \
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sed -i 's|^;* *\(printcap name = \).*| \1/dev/null|' "$file" && \
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sed -i 's|^;* *\(printing = \).*| \1bsd|' "$file" && \
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sed -i 's|^;* *\(unix password sync = \).*| \1no|' "$file" && \
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sed -i 's|^;* *\(preserve case = \).*| \1yes|' "$file" && \
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sed -i 's|^;* *\(short preserve case = \).*| \1yes|' "$file" && \
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sed -i 's|^;* *\(default case = \).*| \1lower|' "$file" && \
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sed -i '/Share Definitions/,$d' "$file" && \
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# Append additional configuration
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cat >> "$file" <<'EOF'
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pam password change = yes
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map to guest = bad user
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usershare allow guests = yes
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create mask = 0664
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force create mode = 0664
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directory mask = 0775
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force directory mode = 0775
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force user = smbuser
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force group = smb
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follow symlinks = yes
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load printers = no
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printing = bsd
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printcap name = /dev/null
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disable spoolss = yes
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strict locking = no
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aio read size = 1
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aio write size = 1
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use sendfile = yes
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getwd cache = yes
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min receivefile size = 16384
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socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=131072 SO_SNDBUF=131072
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vfs objects = catia recycle
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# Recycle bin
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recycle:keeptree = yes
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recycle:maxsize = 0
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recycle:repository = .deleted
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recycle:versions = yes
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# Security
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client ipc max protocol = SMB3
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client ipc min protocol = SMB2_10
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client max protocol = SMB3
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client min protocol = SMB2_10
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server max protocol = SMB3
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server min protocol = SMB2_10
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EOF
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# Cleanup
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RUN rm -rf /tmp/*
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COPY samba.sh /usr/bin/
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EXPOSE 137/udp 138/udp 139 445
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HEALTHCHECK --interval=60s --timeout=15s --start-period=10s --retries=3 \
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CMD smbclient -L \\localhost -U % -m SMB3 || exit 1
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VOLUME ["/etc", "/var/cache/samba", "/var/lib/samba", "/var/log/samba", "/run/samba"]
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ENTRYPOINT ["/sbin/tini", "--", "/usr/bin/samba.sh"]
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